in reply to Re^6: Data range detection?
in thread Data range detection?

$d is a reference to the array containing your data sets. No comment on your eyesight....

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Re^8: Data range detection?
by BrowserUk (Patriarch) on Apr 13, 2015 at 19:39 UTC
    $d is a reference to the array containing your data sets

    I know that. But...

    @data = map int( rand 100 ), 1 ..30;;               ## THE DATA
$d = \@data;;                                       ## A REFERENCE TO 
+IT  
print 1.. @$d;;                                     ## AN UNRELATED SE
+QUENCE OF INTEGERS!
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 2
+7 28 29 30

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[d/l]

      I am doing a scatterplot of the data versus the sequence of integers. The latter is "linear" by definition. To this scatterplot I fit a straight line and measure how well the line fits. Then I try logs on the data or the integer sequence, fit again and see if the fit improves.

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