Stata 15 help for mf_rows

[M-5] rows() -- Number of rows and number of columns

Syntax

real scalar rows(transmorphic matrix P)

real scalar cols(transmorphic matrix P)

real scalar length(transmorphic matrix P)

Description

rows(P) returns the number of rows of P.

cols(P) returns the number of columns of P.

length(P) returns rows(P)*cols(P).

Remarks

length(P) is typically used with vectors, as in

for (i=1; i<=length(x); i++) { ... x[i] ... }

Conformability

rows(P), cols(P), length(P): P: r x c result: 1 x 1

Diagnostics

rows(P), cols(P), and length(P) return a result that is greater than or equal to zero.

Source code

Functions are built in.


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