# Google Data Studio Functions, Formulas Tutorial

**Table of Contents Fort Google Data Studio Functions, Formulas Tutorial**

- Every function in Data Studio has some purpose
- Every function in Data Studio has syntax
- All functions expect one or more parameters
- Parameters are listed in the syntax
- All functions return a value
- Almost all functions have certain restrictions regarding how they can be used
- Types of Data Studio functions
- Aggregation functions
- Arithmetic functions
- Date functions
- Geo functions
- Text functions
- Miscellaneous functions
- Related articles

**Functions in Google Data Studio are formulas which are used to: **

- Aggregate data.
- Do mathematical calculations on your data.
- Manipulate time data.
- Manipulate geographic location data.
- Manipulate string data.

Functions make your calculated fields more powerful. They are used inside of calculated fields as a formula.

If you remember, we used the ‘CASE’ function as a formula when dealing with boolean values:

‘CASE’ is just one of the many functions provided by Google Data Studio.

Google Data Studio provides **over 50 functions** that you can use inside of calculated fields as a formula.

**Following are the typical attributes of a function in Google Data Studio**

- Every function in Data Studio has some purpose.
- Every function in Data Studio has syntax
- All functions expect one or more parameters
- Parameters are listed in the syntax
- All functions return a value
- Almost all functions have certain restrictions regarding how they can be used.

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**#1 Every function in Data Studio has some purpose**

For example, the ‘CASE’ function is used to create new fields that use conditional logic to determine the field values.

The ‘AVG’ function is used to calculate the average value of a numeric field.

Similarly, the ‘COUNT’ function is used to count the number of items in a field.

**Note:** You can learn more about the purpose of each function from the Google help documentation on each function: https://support.google.com/datastudio/topic/7019880?hl=en&ref_topic=7570421

**#2 Every function in Data Studio has syntax**

Syntax defines how a function must be used. It defines how parameters (more about them later) must be used.

For example, the **following is the syntax for the CASE function**:

CASE

WHEN condition THEN result

WHEN condition THEN result

WHEN condition THEN result

…

ELSE result

END

**Following is the syntax for ‘AVG’ function:**

AVG(value)

**Following is the syntax for ‘COUNT’ function:**

COUNT(value)

**Note:** You can learn more about the syntax of each function from the Google help documentation on each function: https://support.google.com/datastudio/topic/7019880?hl=en&ref_topic=7570421

**#3 All functions expect one or more parameters**

**Parameters** (also called ‘**arguments**’) are the input a function expects in Google Data Studio. The parameter tells the function of what data to act upon.

Parameters can be field names or expressions.

An expression can be a number, literal text, or a statement that evaluates to a field name in your data source.

Parameters can also provide additional instructions or formatting information.

For example, **CASE function expects the following parameters****:**

- Condition
- Result
- Else result

#1 **Condition**—It is an expression which evaluates to a boolean value (true or false). Conditions can include dimensions or metrics but not both:

#2 **Result** – the value to return. It can be a dimension, metric, or literal value:

#3 **ELSE result **(optional) – It is the default value to return if no other condition is met.

**Note(1):** When providing parameters, be sure to enclose the literal text in single or double-quotes.**Note(2):** You can learn more about the parameters used by each function from the Google help documentation on each function: https://support.google.com/datastudio/topic/7019880?hl=en&ref_topic=7570421**Note(3)**: You can click on the ‘**Format Formula**’ button, to make your formula more readable.

**#4 Parameters are listed in the syntax**

All the parameters which the CASE function expect, are listed in the syntax of the CASE function:

CASE

WHEN **condition** THEN **result**

WHEN **condition** THEN **result**

WHEN **condition** THEN **result**

…

ELSE **result**

END

So if you remember the syntax, you would remember how to use the CASE function.

**#5 All functions return a value**

For example, ‘CASE’ function returns dimensions or metrics based on conditional expressions.

The ‘AVG’ function returns the average for all values in a field or expression.

Similarly, the COUNT function returns the total number of items in a field or expression.

**Note:** You can learn more about the values returned by each function from the Google help documentation on each function: https://support.google.com/datastudio/topic/7019880?hl=en&ref_topic=7570421

**#6 Almost all functions have certain restrictions regarding how they can be used**

For example, when using the CASE function you can not compare dimensions to dimensions or metrics to metrics:

In Data Studio, you can compare a dimension or metric only with a literal value.

Similarly, you can not apply the AVG function or COUNT function to a pre-aggregated field.

**Note**: You can learn more about such restrictions on each function from the Google help documentation on each function: https://support.google.com/datastudio/topic/7019880?hl=en&ref_topic=7570421

**More information on each function, including examples, is also available in the formula editor.**

When you type a function name in the formula editor, Data Studio provides information about the function like its syntax, its purpose and its use case:

The bottom of the formula editor sometimes provides additional information about how a function is being used and how it should be used.

For example, in the screenshot above, the Data Studio was expecting arguments (*Expected arguments, but none were provided*).

**Types of Data Studio functions**

**All of the Data Studio functions are grouped into the following categories:**

- Aggregation functions
- Arithmetic functions
- Date functions
- Geo functions
- Text functions
- Miscellaneous functions

**Aggregation functions**

These functions are used to aggregate data.

**Following are examples of aggregation functions:**

**Note:** Aggregation functions can not be applied to already aggregated data. This includes most metrics found in Google Analytics and Google Ads. For example, Sessions is already summed in your data set, so the formula *SUM(Sessions)* will produce an error.

**Arithmetic functions**

These functions are used to do mathematical calculations on your data.

**Following are examples of Arithmetic functions:**

**Date functions**

These functions are used to manipulate time data.

**Following are examples of Date functions:**

**Note:** Date functions assume UTC as their timezone. Date functions can optionally take either an input or output (or both) format string.

**Geo functions**

These functions are used to manipulate geographic location data.

**Following are examples of Geo functions:**

**Text functions**

These functions are used to manipulate string data.

**Following are examples of text functions:**

- CONCAT
- CONTAINS_TEXT
- ENDS_WITH
- LEFT_TEXT
- LENGTH
- LOWER
- REGEXP_EXTRACT
- REGEXP_MATCH
- REGEXP_REPLACE
- REPLACE
- RIGHT_TEXT
- STARTS_WITH
- SUBSTR
- TRIM
- UPPER

**Miscellaneous functions**

Functions which do not fall in any of the below categories come under the ‘miscellaneous functions’ category:

- Aggregation functions
- Arithmetic functions
- Date functions
- Geo functions
- Text functions

**Following are the examples of miscellaneous functions:**

## Frequently Asked Questions About **Google Data Studio Functions, Formulas Tutorial**

### What are functions in Google Data Studio?

Functions in Google Data Studio are formulas which are used to manipulate data, aggregate data and do mathematical calculations on data.

Functions make your calculated fields more powerful. They are used inside of calculated fields as a formula.

### How many functions does Google Data Studio provide?

Google Data Studio provides **over 50 functions** that you can use inside of calculated fields as a formula.

### What are the attributes of a function in Google Data Studio?

**Following are the typical attributes of a function in Google Data Studio**

– Every function in Data Studio has some purpose.

– Every function in Data Studio has syntax

– All functions expect one or more parameters

– Parameters are listed in the syntax

– All functions return a value

– Almost all functions have certain restrictions regarding how they can be used.

### What types of functions are available in Google Data Studio?

**All of the Data Studio functions are grouped into the following categories:**

– Aggregation functions

– Arithmetic functions

– Date functions

– Geo functions

– Text functions

– Miscellaneous functions

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