Draw a graph by selecting relevant information

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Chathu
Chathu 2015-1-23
评论： Chathu 2015-1-26
I want to draw a distribution graph.
The issue is i need to select the values from a huge set of data.
eg; x= time Difference(1s,2s), y=frequency(1s-->No's , 2s --> No's)
Portion of the values which i need to get extracted:
time Difference =
0.1002
0.0992
0.1001
0.1003
0.0992
0.1002
0.0992
0.1002
0.1002
0.0992
0.1003
0.1002
0.0992
0.1002
.
.
.
How to select the relevant data and plot the graph?

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Stephen23
Stephen23 2015-1-23
Maybe histogram (or hist for older versions) does what you want.
But actually your description is not clear: please explain what you mean by "time Difference(1s,2s)". You have not really told us the conditions by which you need to select the data.
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Stephen23
Stephen23 2015-1-25
编辑：Stephen23 2015-1-25
MATLAB is great for this kind of problem, because what you wrote in your explanation is almost the right syntax for the MATLAB code. The only thing to keep in mind is that you cannot perform two logical comparisons simultaneously: A<X<B has to performed as two operations A<X & X<B. So to get your desired output try something like this:
chkA = 0.1001<=timeD & timeD<=0.1002;
I also seriously recoomand that you look at using histc ( or histcounts for newer versions), which given a vector of bin edges counts all of the values in each bin for you!
Chathu
Chathu 2015-1-26
Stephen- thank you so much for your response.

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