Re: [Matplotlib-users] histograms : xmax
hey there! Pau wrote: ... 0.00e+00 1.00e-04 81039 1.00e-04 2.00e-04 4472 2.00e-04 3.00e-04 2033 ... The bins are given by the two first number columns. For instance, the first bin is from 0.00e+00 to 1.00e-04 and has the number of data 81039 hey pau! i do not understand hist well myself, but i think it might be doing something different from what you want. i think that if you run hist on e.g. the numbers 100, 11, 10, 9, 0, 0, 0, 0, 0 and make 10 bins, it will give you x y 0 5 10 3 20 0 30 0 40 0 50 0 60 0 70 0 80 0 90 0 100 1 if you histogram the data on the y-axis, there is no reason why this should be still connected to the x-axis. you have already a histogramm -- if you want to rebin, i guess you should use histogram on the x-axis and weight with the y-data. H = load ( './histo3.dat') h = H[:, 2] # the third column n, bins, patches = hist(h, 997, normed=0, log=0, facecolor='lightblue', alpha=0.75) 0 - 9 -- on x axis Notice in the data file that x does not get further than 9.96e-02 So the maximum should be 0.0996 and I am getting 9 if you pass only the third column to hist, it is a bit unfair to expect it to know the other two ;) good luck, sebastian. signature.asc Description: OpenPGP digital signature -- Enter the BlackBerry Developer Challenge This is your chance to win up to $100,000 in prizes! For a limited time, vendors submitting new applications to BlackBerry App World(TM) will have the opportunity to enter the BlackBerry Developer Challenge. See full prize details at: http://p.sf.net/sfu/Challenge___ Matplotlib-users mailing list Matplotlib-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/matplotlib-users
[Matplotlib-users] histograms : xmax
Hello, two days ago Sebastian helped me to finish in a hurry a histogram with bar() I would like now to understand how to make the plot with hist() First of all, my data (after a massage) looks like : - 0.00e+00 1.00e-04 81039 1.00e-04 2.00e-04 4472 2.00e-04 3.00e-04 2033 3.00e-04 4.00e-04 1155 4.00e-04 5.00e-04 823 5.00e-04 6.00e-04 643 6.00e-04 7.00e-04 534 7.00e-04 8.00e-04 361 8.00e-04 9.00e-04 313 9.00e-04 1.00e-03 269 1.00e-03 1.10e-03 230 1.10e-03 1.20e-03 195 1.20e-03 1.30e-03 178 1.30e-03 1.40e-03 165 1.40e-03 1.50e-03 175 1.50e-03 1.60e-03 125 1.60e-03 1.70e-03 109 1.70e-03 1.80e-03 112 1.80e-03 1.90e-03 90 . . . . 9.86e-02 9.87e-020 9.87e-02 9.88e-020 9.88e-02 9.89e-020 9.89e-02 9.90e-020 9.90e-02 9.91e-020 9.91e-02 9.92e-020 9.92e-02 9.93e-020 9.93e-02 9.94e-020 9.94e-02 9.95e-020 9.95e-02 9.96e-021 - The bins are given by the two first number columns. For instance, the first bin is from 0.00e+00 to 1.00e-04 and has the number of data 81039 Then I run the following script on them: -- #!/usr/bin/env python from pylab import * H = load ( './histo3.dat') h = H[:, 2] # the third column n, bins, patches = hist(h, 997, normed=0, log=0, facecolor='lightblue', alpha=0.75) show() -- The number 997 is because this is the number of lines I have in my file (and, thus, the number of bins) But the plot is ranging between 0 - 9 -- on x axis 0 - 1000 -- on y axis Notice in the data file that x does not get further than 9.96e-02 So the maximum should be 0.0996 and I am getting 9 Why is that? What am I doing wrong? I have tried to substitute lower-case e with E in the data file but this did not help Any help would be appreciated. thanks, Pau -- Enter the BlackBerry Developer Challenge This is your chance to win up to $100,000 in prizes! For a limited time, vendors submitting new applications to BlackBerry App World(TM) will have the opportunity to enter the BlackBerry Developer Challenge. See full prize details at: http://p.sf.net/sfu/Challenge ___ Matplotlib-users mailing list Matplotlib-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/matplotlib-users
