How does the PERCENTILE.INC function (DAX) work?

The PERCENTILE.INC function (DAX) returns the k-th percentile of values in a range, where k is in the range 0.1, inclusive.

PERCENTILE.INC Formula Syntax

PERCENTILE.INC(
     <column>, <k>
)

How do you use the PERCENTILE.INC function?

Use this function to return the percentile number of an expression evaluated for each row in a table.

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Considerations when using the PERCENTILE.INC function

If column is empty, BLANK() is returned.

If k is zero or blank, percentile rank of 1/(n+1) returns the smallest value. If zero, it is out of range and an error is returned.

If k is nonnumeric or outside the range 0 to 1, an error is returned.

If k is not a multiple of 1/(n + 1), PERCENTILE.INC will interpolate to determine the value at the k-th percentile.

PERCENTILE.INC will interpolate when the value for the specified percentile is between two values in the array. If it cannot interpolate for the k percentile specified, an error is returned.

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Formula examples using the PERCENTILE.INC function

=PERCENTILE.INC(range,.4)

=PERCENTILE.INC(range,80%)

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