4.14 abs - Absolute value

Format: abs( $num$ )

Compute absolute value of $num$ .

Example

Example 1: Basic Example

$ more dat1.csv
id,val
1,1.0
2,-2.5
3,
4,0
$ mcal c='abs(${val})' a=rsl i=dat1.csv o=rsl1.csv
#END# kgcal a=rsl c=abs(${val}) i=dat1.csv o=rsl1.csv
$ more rsl1.csv
id,val,rsl
1,1.0,1
2,-2.5,2.5
3,,
4,0,0