# Wijmo.Aggregate ## Content

Aggregate Enumeration

Specifies the type of aggregate to calculate over a group of values.

Enumeration members

Enumeration members

Avg

Avg: = 3

Returns the average value of the numeric values in the group.

Cnt

Cnt: = 2

Returns the count of non-null values in the group.

CntAll

CntAll: = 11

Returns the count of all values in the group (including nulls).

CntNums

CntNums: = 14

Returns the count of numeric values in the group (excluding nulls and NaN).

First

First: = 12

Returns the first non-null value in the group.

Last

Last: = 13

Returns the last non-null value in the group.

Max

Max: = 4

Returns the maximum value in the group.

Min

Min: = 5

Returns the minimum value in the group.

None

None: = 0

No aggregate.

Rng

Rng: = 6

Returns the difference between the maximum and minimum numeric values in the group.

Std

Std: = 7

Returns the sample standard deviation of the numeric values in the group (uses the formula based on n-1).

StdPop

StdPop: = 9

Returns the population standard deviation of the values in the group (uses the formula based on n).

Sum

Sum: = 1

Returns the sum of the numeric values in the group.

Var

Var: = 8

Returns the sample variance of the numeric values in the group (uses the formula based on n-1).

VarPop

VarPop: = 10

Returns the population variance of the values in the group (uses the formula based on n).