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HISTOGRAM, binsize, and max [message #76111]

Wed, 18 May 2011 07:05

war
Messages: 21
Registered: December 2003

Junior Member

Hi,

Can somebody explain why the following gives different number of
elements with the HISTOGRAM function?

IDL> hist_spd= HISTOGRAM(velocity[indb],binsize= .20,min=0.,max=1.40)
IDL> print,hist_spd
6 16 23 0 0
0 0
IDL> hist_spd= HISTOGRAM(velocity[indb],binsize= 20.,min=0.,max=140.)
IDL> print,hist_spd
45 0 0 0 0
0 0 0

(whatever velocity content is)
My main concern is the number of elements returned by the function.
The only difference between the 2 command is that I multiplied the
binsize and max with 100. BUT they return 7 and 8 elements?

I would expect they both return the same number of elements.

Thanks,

Andry

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HISTOGRAM, binsize, and max

By: war on Wed, 18 May 2011 07:05

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