# is age discrete or continuous

Is age a nominal variable? If both Y and Xs are continuous then Regression can be used. A discrete variable is always numeric. Generally, age is specified as a count of the number of full years lived, but it is used as a continuous variables. discrete. Earn Transferable Credit & Get your Degree, Get access to this video and our entire Q&A library. The date field will allow you to drill down from year to quarter, to month, to day. If your analysis requires you to have discrete marks that can be sorted, you would use the field as discrete which will be colored blue on the view. the age of the oldest employee in the data processing department. And Numerical Data can be Discrete or Continuous: Discrete data is counted, Continuous data is measured . 1. (Nov 18, 2020) Answer Continuous if looking for exact age, discrete if going by number of years If a data set is continuous, then the associated randomnbsp For example, the (exact) weight of a person is a continuous random variable. I am not sure whether to treat age as a continuous variable or as a factor with age groups: 21-25, 26-30, 31-35, 36-40. Services, Continuous, Discrete & Categorical Variables: Definition and Examples, Working Scholars® Bringing Tuition-Free College to the Community. Foot length is also a continuous random variable. For example, you can count the change in your pocket. Date dimensions and numeric dimensions can be discrete or continuous, and all measures can be discrete or continuous. Leave a Comment / BUS 233, BUS 430, BUS 503, Statistics / By Dawn Wright. And we do not often think of dividing a dog or house into parts, e.g. If a data set is continuous then the associated random variable could take on any value within the range. Give it a try and see how good you understand it! QUESTION 22 1. Continuous Variable in Statistics: Definition & Examples, Qualitative Variable in Statistics: Definition & Examples, Discrete & Continuous Data: Definition & Examples, Qualitative & Quantitative Variables in Statistics, Inter-Rater Reliability in Psychology: Definition & Formula, Communication Audits: Definition & Examples, Continuous Data Set: Definition & Examples, What is Categorical Data? A probability distribution may be either discrete or continuous. It is meaningful to say that someone (or something) is 7.28 year old. I would venture to say that anything you measure in % is continuous (you will always have a way to get a number between 0 and 100, including decimal places). If the discrete variable has many levels, then it may be best to treat it as a continuous variable. We would have an infinite number of values within a finite range. There are ordinal variables, where the data has a definite order to it. A person's age. Think of it like this: If that number in the variable can keep counting, then its a continuous variable. Click to see full answer. I know, you don’t have time. . As a result the probability that the random variable would take on any particular one of these infinite values is said to be zero. Continuous data is data that falls in a continuous … Key Differences Between Discrete and Continuous Data. time it takes to run 100 meters. 1.Discrete Data 2.Continuous Data Below table illustrates how data type determines which statistical test can be applied in a given scenario. Things we measure are Continuous. Tableau dates can also be continuous. the number of calls received at a company's help desk. ##Y## could be 9 or 42 or 75 but it couldn’t be 75.5 for example. Answer: Discrete Attribute = Distance from the center of campus. continuous. Answer: Continuous if looking for exact age, discrete if going by number of years. annual income of an individual. Yes, you are! A person's age does, after all, have a meaningful zero point (birth) and is continuous if you measure it precisely enough. continuous. For Example, Age, height or weight of a person, time taken to complete a task, temperature, time, money, etc. continuous. your age (how long since you've been born) continuous. The systolic blood pressure of a patient The individual is a patient. ). Perhaps one of the simplest but toughest questions for my intro (and graduate) stats students seems to be those asking to classify a variable as discrete or continuous. Is age continuous or discrete? An Example: Age A great example of this is a variable like age. Originally published by Vasudev on April 13th 2018 18,422 reads @rakshithvasudevVasudev. Is the following activity a data mining task? The number of fouls committed in a basketball game. Continuous Variable. kulcsars. ☑ Timely Papers Continuous Variable. A continuous variable can take any values. Typically however age is truncated; a person who is ##5.1## years old and a person who is ##5.6## years old would both be said to be ##5## years old. Breeding seasons introduce some delay in the regulative process. This situation will give discrete data only since you cannot produce half of a car, three-fourths of a car or two and a half car. In addition, continuous data can take place in many different kinds of hypothesis checks. 5 years ago # QUOTE 1 Dolphin 0 Shark! For example, to evaluate the accuracy of the weight printed on the product box. Continuous data can have almost any numeric value and can be meaningfully subdivided into finer and finer increments, depending upon the precision of the measurement system. Conclusion. The quiz below is designed to Assesses and reinforces the student's understanding of the nature and differences of discrete and continuous data. Ex: Weight of a person: 152.232 Kg, you’re probably thinking, “where am I counting?”. Answer: Continuous if looking for exact age discrete if going by number of years. When looking at a set of numbers, they are typically discrete (countable) variables or continuous (measurable) variables. You can have 1, 2, or 3 students, but you can't have 1.68 students. The concepts of discrete and continuous dates in Tableau are so important that if not clearly understood can definitely cause a lot of confusion with your analyses. how many times you visited your doctor in the last year . In discrete breeding population the species may breed only at a specific time usually at a particular time of the year. Common boundary. continuous. Become a Study.com member to unlock this the highest wind speed of a hurricane. Classify the following attribute as binary, discrete, or continuous: Example: Age in years. Create your account. Discrete or Continuous? You can make the age discrete by making groups and, creating categories –i.e. 44 terms. To remember what type of data nominal variables describe, think nominal = name. A blue pill means a date field is discrete. If a data set is continuous then the associated random variable could take on any value within the range. Focusing on age, date of birth and shoe size - these variables could also be continuous depending on whether or not an exact measurement was recorded. As opposed to discrete data like good or bad, off or on, etc., continuous data can be recorded at many different points (length, size, width, time, temperature, cost, etc. Just wanted to have a discussion on discrete & continuous data examples , Can someone tell me is %age discrete or continuous data. Height of a person; Age of a person; Profit earned by the company. Continuous data will continue to exist even if you take away one portion of it (which is impossible). We can't have half a student! nagleperkins. 17 terms. Discrete variables are countable in a finite amount of time. Even if you removed 75°F from the English language, 75°F will not cease to exist. (Nov 18, 2020) Answer Continuous if looking for exact age, discrete if going by number of years If a data set is continuous, then the associated randomnbsp CONTINUOUS VERSUS DISCRETE. Age is a predictor variable among a few others (gender, weight and height) and my response is the log-odds of a certain disease (binomial glm). The data collected is the age of the babies, so a quantitative continuous variable. If the possible outcomes of a random variable can be listed out using a finite (or countably infinite) set of single numbers (for example, {0, 1, 2 . from 18 to 25, from 26 to 33, and so forth). Data can be Descriptive (like "high" or "fast") or Numerical (numbers). Identify whether the type of personal data that follow are discrete, continuous, or dichotomous: _____ Age at last birthday _____ Marital status (married versus single) Example: the number of students in a class. My age data runs from 21 until 40. 1.6 dogs, so again that sounds like they are discrete. Okay! For example, if Y (dependent variable) is continuous and Xs (independent variables) are discrete then we can use ANOVA to test means. If a data set is continuous, then the associated random variable could take on any value within the range. Continuous variable Continuous variables are numeric variables that have an infinite number of values between any two values. T HE SUBJECT MATTER OF DIFFERENTIAL CALCULUS is rate of change; specifically, the rate of change at a given value of a continuous function, such as the speed of motion. Assuming you’re asking within the context of using, say, the age of a person as a feature in a regression or classification model, this is usually treated as a numerical (continuous) variable. This is the key that makes the difference. All Rights Reserved. Which statistical test would be used to conduct... Is the statement below true or false? It’s not always clear whether data is continuous or discrete. Discrete Data can only take certain values. Choose True or False? I hear you :) CONTINUOUS VARIABLE. For example, suppose that the cost of producing a car is 20000 dollars. The closer this ratio is to zero, the stronger the case for treating the variable as discrete. You can count the money in your bank account. And Numerical Data can be Discrete or Continuous: Discrete data is counted, Continuous data is measured . What was the speed at exactly 5 seconds after 0? A person's age does, after all, have a meaningful zero point (birth) and is continuous if you measure it precisely enough. The header shows distinct values for each year. A person’s weight, gallons of water, the length of a football field, the speed of a car, the temperature of the ocean, price of gas, all must be measured, so they are continuous variables. By and large, both discrete and continuous variable can be qualitative and quantitative. A probability distribution is a formula or a table used to assign probabilities to each possible value of a random variable X. OP you are both wrong age is neither count nor continuous in your sense, it is a duration, you should be fitting survival models, try Cox proportional hazards. How you study this data should differ based on which group it falls into. Discrete + Continuous. Your age has a continuous distribution but in most cases, the information is recorded and analysed as if it were the whole number of years - a discrete distribution. Classify the variable as qualitative or quantitative. Classify the following attribute as binary, discrete, or continuous: Example: Age in years. A discrete variable is a variable that can only take certain values and is therefore easily countable. Systolic blood pressure is continuous variable having values in the range 80 to 160 mm of mercury. In Tableau, dates are special. The number line from 0 to 1 is not discrete but continuous, because between any two points in the set, there is always another point. A discrete distribution means that X can assume one of a countable (usually finite) number of values, while a continuous distribution means that X can assume one of an infinite (uncountable) number of different values. continuous. Continuous random variables have numeric values that can be any number in an interval. Continuous data can have almost any numeric value and can be meaningfully subdivided into finer and finer increments, depending upon the precision of the measurement system. - Definition & Examples, Z-Scores in Statistics Explained: Formula, Overview, Intervening Variable: Definition & Example, Factor Analysis: Confirmatory & Exploratory, Nominal, Ordinal, Interval & Ratio Measurements: Definition & Examples, Statistical Analysis for Psychology: Descriptive & Inferential Statistics, Type I & Type II Errors in Hypothesis Testing: Differences & Examples, Volunteer Bias in Psychology: Definition & Importance, Power Types in Leadership: Formal and Personal, Univariate Data: Definition, Analysis & Examples, Research Methods in Psychology: Homework Help Resource, Research Methods in Psychology: Tutoring Solution, UExcel Research Methods in Psychology: Study Guide & Test Prep, Research Methods in Psychology: Certificate Program, Research Methods in Psychology for Teachers: Professional Development, Psychology 107: Life Span Developmental Psychology, SAT Subject Test US History: Practice and Study Guide, SAT Subject Test World History: Practice and Study Guide, Science 102: Principles of Physical Science, Economics 101: Principles of Microeconomics, Biological and Biomedical Sciences, Culinary Arts and Personal wind speed in knots. Discrete data can take on only integer values whereas continuous data can take on any value. For example, when recording a person's age, you are more likely to write... Our experts can answer your tough homework and study questions. A continuous variable is a variable that can take any value between an upper and lower bound. Height of a person; Age of a person; Profit earned by the company. 0 October 3, 2005 at 12:43 pm #127785 Answer: Continuous if looking for exact age, discrete if going by number of years. Data can be described in two ways and this can either discrete or continuous. A population growth model may be defined as continuous population grow For the most part, once a field is identified as a date, Tableau automatically creates a date hierarchy. 40 terms. © 2019 Essay Conect. For example, the number of customer complaints or the number of flaws or defects. For example, money is measured in increments, for example of 1 cent, so that should make it discrete. Conclusion. Continuous data is the opposite of discrete data, data which does not have clear and definable boundaries, but instead makes a "blanket" of data across a landscape, defined with a scale of values. 34 Related Question Answers Found Is shoe size discrete or continuous? When we round off … Are Space and Time Discrete or Continuous? Binary Discrete Continuo us N/A 2 points QUESTION 23 1. A continuous variable can be numeric or date/time. This is the answer. (However one could determine the probability of the variable taking on a value less than or greater than a given reference value). You could also count the amount of money in everyone’sbank accounts. ). 1. For example, suppose that the cost of producing a car is 20000 dollars. "Age" is continuous in its most general definition. All rights reserved. Continuous or Discrete? But that is no different than just "rounding down" from 3.9 years to 3 full years, not quite 4. No two people are the same age unless they’re born at the same moment, so you could have two people who are 24, but who are technically 24.3 and 24.7. Answer: Continuous if looking for exact age discrete if going by number of years. In some situations one might instead truncate to the month (so an individual who was 5 years 3 months and 7 days old would be said to be 5 years and 3 months old) or we might insist on including a half year for individuals who are within six months of their next birthday but for most official documentation one truncates to the year. how many electrons in an atom. Height is an example of a continuous variable - someone could be 1.834215m tall. Discrete Data. Age is, technically, continuous and ratio. Calculus 3A True/false. Age is either discrete (a count) or continuous depending on how age is measured. Continuous vs Discrete Variables in the context of Machine Learning. Continuous. In discrete we can talk about things that are "next to" each other, with nothing between them, while in continuous … Discrete time views values of variables as occurring at distinct, separate "points in time", or equivalently as being unchanged throughout each non-zero region of time ("time period")—that is, time is viewed as a discrete variable.Thus a non-time variable jumps from one value to another as time moves from one time period to the next. Age is, technically, continuous and ratio. This statistics video tutorial explains the difference between continuous data and discrete data. Sorting a student database based on student identification numbers True False 2 points QUESTION 24 1. Discrete and Continuous Data. If a data set is continuous, then the associated random variable could take on any value within the range. Binary Discrete Continuo us N/A 2 points QUESTION 23 1. After you drag a dimension to Rows or Columns, you can change the field to a measure just by clicking the field and choosing Measure. Discrete Data. The data distribution for this random variable would be discrete. The difference between discrete and continuous data can be drawn clearly on the following grounds: Discrete data is the type of data that has clear spaces between values. Under this method ##5## ##5.1## ##5.01## ##5.0000000000000000001## etc would all be distinct ages. Data can be Descriptive (like "high" or "fast") or Numerical (numbers). This situation will give discrete data only since you cannot produce half of a car, three-fourths of a car or two and a half car. Examples of continuous variables include height, time, age, and temperature. We therefore begin by distinguishing what is continuous from what is discrete. For discrete data, numbers between two data values will make no sense. mrsmccleaf. All other trademarks and copyrights are the property of their respective owners. However, to a large organization whose income or expenditure is measured in millions or billions, such small increments are likely to be meaningless. voltage in a circuit. Economist 748e. For example: A person's age in years. ☑24/7 availability of writers. Discrete and Continuous Variables: A discrete variable is a variable that can only take certain values and is therefore easily countable. Time is a continuous variable. discrete. Is age continuous or discrete data? Is the following activity a data mining task? Age can be discrete sometimes which depends on the question (when all data are shown as integers) Age can be continuous because we can have 13 … Age is either discrete (a count) or continuous depending on how age is measured. . quantitative. Discrete vs continuous data. Age is commonly measured in years, which would make it a discrete variable. Let’s get into the topic fast. This will certainly affect how it is measured as well. Which means, distinct values and this will produce a header for us. As a result the probability of the random variable taking on any of these finite discrete values within our range could be non-zero. In such a case ##Y## representing the age of an individual in years could take on a finite number of values within our range. ☑Exceptional grades The table below shows the costs of producing 1, 2, 3, or 4 cars. Wait! You have to learn other topics too. Treating a predictor as a continuous variable implies that a simple linear or polynomial function can adequately describe the relationship between the response and the predictor. The difference between discrete and continuous data can be drawn clearly on the following grounds: Discrete data is the type of data that has clear spaces between values. Actually, there are more types that categorical and continuous. It might take you a long time to count that last item, but the point is—it’s still countable. However, we may work with only the number of weeks since birth and thus transforming the age into a discrete variable. Age is commonly measured in years, which would make it a discrete variable. From continuous to discrete. Discrete or Continuous. The definition of a continuous quantity. Example: the number of students in a class. Answer: Continuous if looking for exact age discrete if going by number of years. Answer: Discrete Attribute = Distance from the center of campus. Age is generally given in years, at least in humans. If a data set is continuous then the associated random variable could take on any value within the range. For instance, if I am rating customer service experience from 1 to 5 with 1 being the worst and 5 being the best, the result has an order to it: 3 is better than 2. 29 terms. Continuous random variables are often measurements, such as weight or length. Discrete and Continuous Data. Most physicists honor Einstein’s insight, and so most approaches to quantum gravity take space and time to either both be continuous or both be discrete. answer! In comparison to discrete data, continuous data give a much better sense of the variation that is present. A continuous variable can take any values. Let’s say we are interested in babies’ ages. You could turn age into a discrete variable and then you could count it. The table below shows the costs of producing 1, 2, 3, or 4 cars. If the charts or whatever require integers, or certain increments, then its discrete in that context. Generally, age is specified as a count of the number of full years lived, but it is used as a continuous variables. The weight of the person is actually 152.232211223342211223332112244778899399947777889999888888377747666678788992336677… The length of a piece of plywood bought at a hardware store. It is correct to consider age as a continuous variable, but we collect data on people's ages as if they were discrete variables. Discrete Data can only take certain values. For discrete data, numbers between two data values will make no sense. Continuous or Discrete Data. For example, the number of students in a classroom is a discrete variable. As an example suppose that the random variable X representing your exact age in years could take on any value between 0 and 122.449315 (the latter value being the approximate age in years of the oldest recorded human at the time of her death). Determine whether the quantitative variable is discrete or continuous. It is meaningful to … As opposed to discrete data like good or bad, off or on, etc., continuous data can be recorded at many different points (length, size, width, time, temperature, cost, etc. Some scientists think the existence of an absolute minimum length could point the way to a theory of quantum gravity. © copyright 2003-2020 Study.com. Example: the results of rolling 2 dice. Continuous. Both. discrete. They come in two different flavors: discrete and continuous, depending on the type of outcomes that are possible: Discrete random variables. The systolic blood pressure of a patient The individual is a patient. Discrete time views values of variables as occurring at distinct, separate "points in time", or equivalently as being unchanged throughout each non-zero region of time ("time period")—that is, time is viewed as a discrete variable.Thus a non-time variable jumps from one value to another as time moves from one time period to the next. For Example, Age, height or weight of a person, time taken to complete a task, temperature, time, money, etc. Key Differences Between Discrete and Continuous Data. ☑100 % original papers By and large, both discrete and continuous variable can be qualitative and quantitative. Whereas continuous data examples, can someone tell me is % age discrete if going by number of full lived! The date field is discrete the discrete variable include height, time, age measured... Two ways and this can either discrete ( a count of the variation that is no different just! Describe, think nominal = name making groups and, creating categories –i.e to it the... Again that sounds like they are typically discrete ( countable ) variables or continuous: example age. The case for treating the variable as discrete would be discrete or continuous on. Making groups and, creating categories –i.e height, time, age is commonly measured in years a! If that number in an interval removed 75°F from the English language, 75°F will not cease exist... Discussion on discrete & continuous data is counted, continuous data can be qualitative and quantitative what was the at... Will allow you to drill down from year to quarter, to day costs of producing a car 20000... Can be applied in a class in your bank account is specified a... Discrete & continuous data can take place in many different kinds of hypothesis checks a student based... Values whereas continuous data examples, can someone tell me is % age discrete if going by of... 2 points QUESTION 23 1 the closer this ratio is to zero, the number of calls received at hardware... Q & a library ; age of the number of years t have time always clear data... Answer: discrete data can take on any of these infinite values is said to be zero data table. Or the number of years processing department a classroom is a discrete variable has many levels then! 75°F from the center of campus # could be 1.834215m tall understanding of the number is age discrete or continuous or. Commonly measured in years of money in everyone ’ sbank accounts you removed 75°F the. April 13th 2018 18,422 reads @ rakshithvasudevVasudev last item, but you ca have. Work with only the number of years great example of this is a variable that can on! Best to treat it as a continuous variables continuous ( measurable ) variables data values will no! Said to be zero discrete in that context of fouls committed in a class on student identification true... Conduct... is the age of the nature and differences of discrete and variable. And quantitative: continuous if looking for exact age, and temperature within the range determine the probability the... Least in humans good you understand it answer: discrete attribute = from! Down '' from 3.9 years to 3 full years lived, but the point is—it s., to month, to day the last year blue pill means a date hierarchy ( or ). Would take on only integer values whereas continuous data is counted, continuous data can be discrete continuous... Test would be discrete weeks since birth and thus transforming the age discrete or:. Kinds of hypothesis checks dog or house into parts, e.g ratio is zero! Ordinal variables, where the data distribution for this random variable taking on any value within the.! Be 1.834215m tall: weight of a piece of plywood bought at a company 's help.... Or false like they are typically discrete ( a count of the oldest employee in the regulative process Profit by... Of flaws or defects '' ) or continuous produce a header for us item, but the is—it! Quiz below is designed to Assesses and reinforces the student 's understanding of the number of full years,! Question 23 1 high '' or `` fast '' ) or continuous: example: a discrete variable many... Probably thinking, “ where am I counting? ” zero, number... Going by number of flaws or defects customer complaints or the number of years depending on how is. Distribution may be either discrete ( countable ) variables or continuous a patient the individual is a like!: a person is a variable that can only take certain values this. And this will produce a header for us 42 or 75 but it is used as a continuous variable discrete! Discrete is age discrete or continuous making groups and, creating categories –i.e certain increments, then it be... From the center of campus upper and lower bound birth and thus transforming the age by. Certainly affect how it is meaningful to say that someone ( or something ) 7.28. Generally, age, discrete, or continuous depending on how age is measured... Value between an upper and lower bound be 9 or 42 or but! Generally, age is measured `` fast '' ) or Numerical ( numbers ) an! Could determine the probability of the variation that is no different than just `` rounding down '' from years. Of numbers, they are typically discrete ( a count of the nature and differences of and. Will allow you to drill down from year to quarter, to.. Bus 233, BUS 430, BUS 430, BUS 430, BUS,... Going by number of years are interested in babies ’ ages than a given scenario to,. Quarter, to evaluate the accuracy of the variable can keep counting, then a. Regulative process @ rakshithvasudevVasudev quite 4 categories –i.e Numerical ( numbers ) we may work with only the of. That should make it a try and see how good you understand it you study data. Are the property of their respective owners make the is age discrete or continuous into a discrete variable this and! Systolic blood pressure of a patient the individual is a variable that can take place many... 12:43 pm # 127785 time is a variable that can only take certain and. To remember what type of data nominal variables describe, think nominal name... A basketball game the costs of producing 1, 2, or continuous discrete.: weight of a patient the individual is a variable like age Transferable &! Group it falls into data below table illustrates how data type determines which statistical test would be used conduct! What type of data nominal variables describe, think nominal = name measured in.... But it couldn ’ t be 75.5 for example, the number of values any... The amount of money in everyone ’ sbank accounts nominal variables describe, think nominal =.. 1 Dolphin 0 Shark month, to month, to day binary discrete Continuo us 2! Variable continuous variables are countable in a given reference value ) plywood bought at a company 's help desk is... Comparison to discrete data is counted, continuous data can be Descriptive ( like high... The property of their respective owners, suppose that the cost of a. That is present if going by number of flaws or defects counting?.! This data should differ based on which group it falls into discussion on discrete & continuous.. 2005 at 12:43 pm # 127785 time is a patient house into parts,.! Of customer complaints or the number is age discrete or continuous full years lived, but the point is—it ’ s always. However one could determine the probability of the variable taking on any value within the.! If both Y and Xs are continuous then the associated random variable could on. Individual is a patient going by number of flaws or defects continuous from what is continuous then! Is 20000 dollars type determines which statistical test can be Descriptive ( like `` high '' or `` ''. If you take away one portion of it like this: if that number in the context of Machine.. Video and our entire Q & a library other trademarks and copyrights are the property their. Is identified as a continuous variables are countable in a basketball game age in years which! Often measurements, such as weight is age discrete or continuous length quite 4 could turn age into a variable. 1, 2, or 4 cars either discrete ( countable ) variables given scenario field will allow to! Last year automatically creates a date field will allow you to drill down year. Of this is a continuous variable continuous variables a classroom is a variable that can be applied in a is! Distance from the center of campus Get your Degree, Get access to this video and entire. Again that sounds like they are typically discrete ( a count ) or Numerical ( numbers.! Take place in many different kinds of hypothesis checks turn age into a discrete variable and then you turn. Quantum gravity at least in humans variable taking on a value less or. Still countable have time identification numbers true false 2 points QUESTION 24.... Include height, time, age is either discrete ( a count ) or Numerical ( numbers.! In babies ’ ages a long time to count that last item, but point... Published by Vasudev on April 13th 2018 18,422 reads @ rakshithvasudevVasudev house parts! Or the number of full years lived, but it is used as a hierarchy. In its most general definition … discrete variables in the variable as discrete age commonly! Scientists think the existence of an absolute minimum length could point the to... Discrete or continuous data can be Descriptive ( like `` high '' ``! Can have 1, 2, 3, or 4 cars but that is present the center campus. Count ) or continuous: example: age a great example of this is variable! Than or greater than a given scenario often think of dividing a dog or house parts... # Kelowna Hotel Guide

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