Is age discrete or continuous data?

Is Age Discrete or Continuous? Technically speaking, age is a continuous variable because it can take on any value with any number of decimal places.

Why is age discrete?

Mondal[1] suggests that age can be viewed as a discrete variable because it is commonly expressed as an integer in units of years with no decimal to indicate days and presumably, hours, minutes, and seconds.

Is age group a continuous variable?

Age can be considered as a continuous, ratio variable.

Is birth years discrete or continuous?

Discrete variables can only be specific values (typically integers). For example: number of siblings. year of birth.

What type of data is age?

Age can be both nominal and ordinal data depending on the question types. I.e "How old are you" is used to collect nominal data while "Are you the firstborn or What position are you in your family" is used to collect ordinal data. Age becomes ordinal data when there's some sort of order to it.

Continuous vs Discrete Data

What level of measurement is age?

The short answer: Age is considered a ratio variable because it has a “true zero” value. It's possible for an individual to be zero years old (a newborn) and we can say that the difference between 0 years and 10 years is the same as the difference between 10 years and 20 years.

Is age a variable in research?

Anything that can vary can be considered a variable. For instance, age can be considered a variable because age can take different values for different people or for the same person at different times.

Is age a ratio or interval?

Using the aforementioned definition, age is in a ratio scale. Age 0 = no age. A person who is 30 years old is half as old as someone who is 60, and twice as old as someone who is 15.

Is years a continuous variable?

Yes you can use years as continuous variable for your study.

Is age quantitative or qualitative data?

The basics

Examples of quantitative characteristics are age, BMI, creatinine, and time from birth to death. Examples of qualitative characteristics are gender, race, genotype and vital status.

Is gender a continuous variable?

Gender can be a continuous variable, not just a categorical one: Comment on Hyde, Bigler, Joel, Tate, and van Anders (2019) Am Psychol. 2019 Oct;74(7):840-841. doi: 10.1037/amp0000505.

What type of variable is date of birth?

An interval-scale variable is measured on a scale of equally spaced units, but without a true zero point, such as date of birth.

Is age categorical or quantitative?

One question that students often have is: Is age considered a qualitative or quantitative variable? The short answer: Age is a quantitative variable because it represents a measurable quantity.

Is age a metric variable?

A variable can be treated as scale (continuous) when its values represent ordered categories with a meaningful metric, so that distance comparisons between values are appropriate. Examples of scale variables include age in years and income in thousands of dollars.

Is height a discrete data?

Continuous data is data that can take any value. Height, weight, temperature and length are all examples of continuous data.

Is number of siblings discrete or continuous?

The number of siblings and student height represent numerical variables. Because the number of siblings is a count, it is discrete. Height varies continuously, so it is a continuous numerical variable.

Is age independent variable?

It is a variable that stands alone and isn't changed by the other variables you are trying to measure. For example, someone's age might be an independent variable. Other factors (such as what they eat, how much they go to school, how much television they watch) aren't going to change a person's age.

How do you define age in research?

'Age' is measured by calculating the time elapsed (usually in complete years) between date of birth and a specific point in time (e.g. date of a particular survey).

Why is age a good variable?

Age as a Continuous or Categorical Variable

Age can be considered as continuous, meaning that it can take on any value within a scale; technically, a person could be 23 years 15 days and 32 seconds old, although it is likely their age will be recorded in exact years only!

Can age be interval data?

Age is also a variable that can be measured on an interval scale. For example if A is 15 years old and B is 20 years old, it not only clear than B is older than A, but B is elder to A by 5 years.

What type of data is the date?

They are ordinal, as one date is bigger than the date before it. It is also quantitative as it can added, subtracted...etc.

What is a discrete data?

Discrete data is a numerical type of data that includes whole, concrete numbers with specific and fixed data values determined by counting. Continuous data includes complex numbers and varying data values that are measured over a specific time interval.