rowAvg

Syntax

rowAvg(args…)

Please see Row-Based Functions for the parameters and calculation rules.

Details

Calculate the average of each row of the arguments. A vector is viewed as a one-column matrix here.

Examples

$ m=matrix([4.5 2.6 1.5, 1.5 4.8 5.9, 4.9 2.0 NULL])
$ rowAvg(m);
[3.633333,3.133333,3.7]

$ t1=table(1..5 as x, 6..10 as y)
$ t2=table(5..1 as a, 10..6 as b);
$ rowAvg(t1);
[3.5,4.5,5.5,6.5,7.5]

$ rowAvg(t1[`x], t2, take(1, 5));
[4.25,4,3.75,3.5,3.25]

$ t=table(`AAPL`MS`IBM`IBM`C as sym, 49.6 29.46 29.52 30.02 174.97 as price1, 175.23 50.76 50.32 51.29 26.23 as price2)
$ select sym,rowAvg(price1,price2) as avg from t;

sym

price1

AAPL

112.415

MS

40.11

IBM

39.92

IBM

40.655

C

100.6

Related function: avg