Re: Frequency data
- To: mathgroup at smc.vnet.net
- Subject: [mg99713] Re: [mg99690] Frequency data
- From: Bob Hanlon <hanlonr at cox.net>
- Date: Tue, 12 May 2009 03:07:33 -0400 (EDT)
- Reply-to: hanlonr at cox.net
$Version
6.0 for Mac OS X PowerPC (32-bit) (June 19, 2007)
Needs["Histograms`"];
n = 1000;
data = RandomReal[NormalDistribution[0, 1], {n}];
lb = Floor[5*Min[data]]/5.
ub = Ceiling[5*Max[data]]/5.
freq = BinCounts[data, {lb, ub, .2}]/n;
Total[freq]
1
GraphicsArray[{
Show[{
Histogram[data, HistogramScale -> 1],
Plot[PDF[NormalDistribution[0, 1], x], {x, lb, ub},
PlotStyle -> {Red, AbsoluteThickness[2]}]}],
Histogram[freq, FrequencyData -> True]},
ImageSize -> 600]
Bob Hanlon
---- suhrob.sultanov at gmail.com wrote:
=============
Hi everybody,
I'm using Mathematica 6.0 and would like to get frequency of data
given intervals, i tried to do it with BinCounts[data, h] , where h
is the distance of the intervals, but it doesn't work correctly, can
anybody help me how to get frquency data
Thanks,
Sukhrob.