## Excel BYCOL Function (365)

### Description

The Excel BYCOL function applies a LAMBDA function to each column in a given array and returns the result per column as a single array. For example, if the array is 3 columns and 4 rows, it returns an array in 3 columns and 1 row.

Formula syntax

BYCOL(array,lambda(column))

Arguments

 array: Required, an array that is used to process. lambda: Required, a LAMBDA function to apply to each column of the array. column: Required, a column from array.

### Returns

The BYCOL function returns one result per column.

### Errors

1. An invalid LAMBDA function or an incorrect number of parameters in the formula will return #VALUE error.

2. Not providing LAMBDA function or anything but a single value return from LAMBDA function will return #CALC error.

Excel 365

### Usage and Examples

Basic usage

For getting the minimum value of each column in range A1:C4, please use the BYCOL function as this:

=BYCOL(A1:C4,LAMBDA(array,MIN(array)))

Press Enter key, then the minimum values in each column in array A1:C4 have been outputted.

#### Other Functions:

• Excel POISSON Function
The Excel POISSON function returns the Poisson distribution which is used to predict the number of events occurring over a specific time.

• Excel WEIBULL Function
The Excel WEIBULL function returns the Weibull probability density function or Weibull cumulative distribution for a supplied set of parameters.

• Excel Z.TEST Function
The Excel Z.TEST function (2010) returns the one-tailed P-value of a z-test which is useful for various analyses.

• Excel F.DIST Function
The Excel F.DIST function returns the F probability distribution which is usually used to measure the degree of diversity between two data sets.

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