Excel FREQUENCY Function
The Excel FREQUENCY function returns a frequency distribution, which is a summary table that shows the frequency of each value in a range. FREQUENCY returns multiple values and must be entered as an array formula with control-shift-enter, except in Excel 365.
- data_array - An array of values for which you want to get frequencies.
- bins_array - An array of intervals ("bins") for grouping values.
The FREQUENCY function counts how often numeric values occur in a set of data and returns a frequency distribution – a summary table that shows the frequency (count) of each value in a range. FREQUENCY returns the distribution as a vertical array of numbers that represent a "count per bin". The FREQUENCY function always returns an array with one more item than bins in the bins_array. This is by design, to catch any values greater than the largest value in the bins_array.
To create a frequency distribution using FREQUENCY:
- Enter numbers that represent the bins you want to group values into
- Make a selection the same size as the range that contains bins, or one greater if want to include the extra item
- Enter the FREQUENCY function as an array formula using control+shift+enter.
In Excel 365, it is not necessary to select multiple cells and enter as an array formula, see below.
With data in A1:A100, and bins in B1:B5, you would select C1:C5 and enter a formula like this:
If you want to see the count in the extra "overflow" bin returned by FREQUENCY, select C1:C6 before entering.
Note: the curly braces added by Excel automatically when formula is array-entered.
In Excel 365, which supports dynamic arrays natively, it is not necessary to select multiple cells before entering the FREQUENCY function. With data in A1:A100, and bins in B1:B5, select cell B1 and enter the formula below normally:
FREQUENCY will return an array of six counts, and these counts will spill automatically into the range B1:B6.
- FREQUENCY returns multiple values and must be entered as an array formula, except in Excel 365.
- FREQUENCY always returns an array with one more item than bins. This is by design, to catch any values greater than the largest interval in the bins_array.
- Each bin shows a count of values up to and including bin value, excluding values already accounted for.