avr

Compute the arithmetic mean (average). This function is implemented in two versions. The function avg is an alias for this function. Returns the largest absolute value found in the arguments.

Usage 1

avr(x)

x

a scalar, vector or matrix

Result 1

The result is the arithmetic mean of all elements of x

Usage 2

avr(x, flag

x

a matrix

flag

selects if the average of column vectors (flag==0) or the row vectors (flag!=0) is requsted; flag must be a scalar

Result 2

• if flag equals 0: the result r is the vector of the column averages

r[i] = eval avr( x[*,i]) // i = 0 .. ncol(x)-1

• otherwise: the result r is the vector of the row averages

r[i] = eval avr( x[i,*]) // i = 0 .. nrow(x)-1

See also

median, dev, corr, sum, hist,

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