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Excel FILTER Function

Excel FILTER function
Summary 

The Excel FILTER function filters a range of data based on supplied criteria, and extracts matching records.

Purpose 
Filters range with given criteria
Return value 
Array of filtered values
Syntax 
=FILTER (array, include, [if_empty])
Arguments 
  • array - Range or array to filter.
  • include - Boolean array, supplied as criteria.
  • if_empty - [optional] Value to return when no results are returned.
Usage notes 

The Excel FILTER function "filters" a range of data based on supplied criteria. In the example show, the formula in F5 is:

=FILTER(B5:D14,D5:D14=H2,"No results")

Since the value in H2 is "red", the FILTER function extracts data from array where the Group column contains "red".

More than one criteria

The include argument can be extended with boolean logic. For example, to extract only data where the group is "red" and score is greater than 80, you can use a formula like this:

=FILTER(B5:D14,(D5:D14="red")*(C5:C14>80),"No results")
Note: This function is a new "Dynamic Array Function" in Excel. It is a beta feature available only through the Office Insiders program. Dynamic Array functions are expected to be released in 2019 to Office 365 subscribers.
Related functions 
Excel UNIQUE function
Excel UNIQUE Function
The Excel UNIQUE function returns a list of unique values in a list or range. Values can be text, numbers, dates, times, etc.
Excel SORT function
Excel SORT Function

The Excel SORT function sorts the contents of a range or array. Values can be sorted by one or more columns. SORT returns a dynamic array of results.

Excel SORTBY function
Excel SORTBY Function
The Excel SORTBY function sorts the contents of a range or array based on the values from another range or array. The range or array used to sort does not need to appear in results.
Excel SEQUENCE function
Excel SEQUENCE Function

The Excel SEQUENCE function generates a list of sequential numbers in an array. The array can be one dimensional, or two-dimensional. Start and step values are arguments.

Excel RANDARRAY function
Excel RANDARRAY Function

The Excel RANDARRAY function returns an array of random numbers between 0 and 1. The size or the array is determined by rows and columns arguments.

Excel FILTER function
Excel FILTER Function

The Excel FILTER function filters a range of data based on supplied criteria, and extracts matching records.

Excel SINGLE function
Excel SINGLE Function
The Excel SINGLE function returns a single value using implicit intersection. The SINGLE function is provided for backwards compatibility with implicit intersection formulas in earlier versions of Excel.
Good links 
Microsoft FILTER function documentation

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