RosettaCodeData/Task/Averages-Root-mean-square/Liberty-BASIC/averages-root-mean-square.basic
2023-07-01 13:44:08 -04:00

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' [RC] Averages/Root mean square
SourceList$ ="1 2 3 4 5 6 7 8 9 10"
' If saved as an array we'd have to have a flag for last data.
' LB has the very useful word$() to read from delimited strings.
' The default delimiter is a space character, " ".
SumOfSquares =0
n =0 ' This holds index to number, and counts number of data.
data$ ="666" ' temporary dummy to enter the loop.
while data$ <>"" ' we loop until no data left.
data$ =word$( SourceList$, n +1) ' first data, as a string
NewVal =val( data$) ' convert string to number
SumOfSquares =SumOfSquares +NewVal^2 ' add to existing sum of squares
n =n +1 ' increment number of data items found
wend
n =n -1
print "Supplied data was "; SourceList$
print "This contained "; n; " numbers."
print "R.M.S. value is "; ( SumOfSquares /n)^0.5
end