Bining some data in 50 classes without knowing the limits

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Mohammad
Mohammad am 20 Nov. 2014
Beantwortet: Kevin Claytor am 20 Nov. 2014
Hello every body,
I have a huge amount of data ( 57000 nummbers ) and I need them to be devided into 50 groups between 0 and 25 ( bin width of 0.5) and I want to know how many nummbers are gathered in any interval. later I need to be able to make a graph out of this data.
what should I do?
Thanks

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Kevin Claytor
Kevin Claytor am 20 Nov. 2014
Sounds like you're trying to make a histogram (hist in revisions prior to R2014b). Since you have specific bin locations, you might want to have a look at the sections on bin edges. You're edges would be something like [0, 0.5, 1.0, ... , 25] Although, if there are values outside this range, the last few bins will catch ALL the values lower or higher than their edge, so you might want to consider an overflow bin; [-1, 0, 0.5, ..., 25, 26]

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