Logical Excel 365 ◉ 43 views Dynamic Array

=BYCOL()

Applies a LAMBDA function to each column and returns an array of the results

Applies To: Excel for Microsoft 365Excel for Microsoft 365 for MacExcel 2024Excel 2024 for Mac
=BYCOL (array, lambda(column))
Hover argument names in the table for details.
Output typeArray
Popularity30 / 100
VolatileNo
Dynamic ArrayYes
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◧ Arguments

ArgumentTypeRequiredDescription
array Array Optional An array to be separated by column.
lambda Any type Optional A LAMBDA that takes a column as a single parameter and calculates one result. The LAMBDA takes a single parameter:
column Range Optional A column from array.

▣ Examples

Example 1 =BYCOL(B2:E10, LAMBDA(c, SUM(c)))
Example 2 =BYCOL(B2:E10, LAMBDA(c, AVERAGE(c)))

⚠ Common Errors

#VALUE! Providing an invalid LAMBDA function or an incorrect number of parameters returns a #VALUE! error called "Incorrect Parameters".
Fix: ساختار LAMBDA را بررسی کنید که دقیقاً یک پارامتر (ستون) بگیرد.
#CALC! Not providing a LAMBDA function or anything but a single value returned from the LAMBDA function returns a #CALC error.
Fix: Use a calculation that gives a single result, such as SUM or MAX

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