mad
Syntax
mad(X, [useMedian=false])
Arguments
X is a vector, matrix or table.
useMedian is a Boolean value indicating whether the result is generated with the median absolute deviation or the mean absolute deviation. The default value is false and it returns the mean absolute deviation.
Details
If X is a vector, return the average absolute deviation of X.
If X is a matrix, the calculation is based on each column and returns a matrix.
If X is a table, the calculation is based on each column and returns a table.
As with all aggregate functions, NULL values are not included in the calculation.
Examples
$ mad([85, 90, 95, NULL]);
3.333333333333333
$ m=matrix(85 90 95, 185 190 195);
$ m;
#0 |
#1 |
|---|---|
85 |
185 |
90 |
190 |
95 |
195 |
$ mad m;
[3.333333333333333, 3.333333333333333]
$ mad([0, 19.618568, 67.900707, 71.65218, 73.103952, 58.275308, 18.819054, 36.940571, 48.114366], false)
22.204817
Related function: mmad