How to resolve the algorithm Averages/Root mean square step by step in the Stata programming language

Published on 12 May 2024 09:40 PM
#Stata

How to resolve the algorithm Averages/Root mean square step by step in the Stata programming language

Table of Contents

Problem Statement

Compute the   Root mean square   of the numbers 1..10.

The   root mean square   is also known by its initials RMS (or rms), and as the quadratic mean. The RMS is calculated as the mean of the squares of the numbers, square-rooted:

Let's start with the solution:

Step by Step solution about How to resolve the algorithm Averages/Root mean square step by step in the Stata programming language

Source code in the stata programming language

program rms, rclass
	syntax varname(numeric) [if] [in]
	tempvar x
	gen `x'=`varlist'^2 `if' `in'
	qui sum `x' `if' `in'
	return scalar rms=sqrt(r(mean))
end


clear
set obs 20
gen x=rnormal()

rms x
di r(rms)
1.0394189

rms x if x>0
di r(rms)
.7423647

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