help in making a cumulative histogram, histc or accumarray?

2 次查看（过去 30 天）
Jim O'Doherty
Jim O'Doherty 2012-10-24
All,
I have some data that I would like to create a cumulative histogram of. The bins I would like to use are like
bins=[0.2 15 0.4 15 0.6 15 0.8 15 1 15 1.2 15 1.4 15 1.6 15 1.8 15 2 15];
and a section of my data looks like
data = [0.072
0.085
0.118
0.200
0.325
0.527
0.823
1.193
1.553
1.822
1.952
1.907
1.707
1.468
1.287
1.200
1.138
1.038
0.898
0.778
0.667
0.599
0.563
0.511
0.434
0.356
0.300
0.266
0.247
0.216
0.199
0.183
0.165
0.131
0.081
0.058
0.051
0.037
0.022
0.019
0.032
0.034
0.034
0.034
0.033
0.020
0.017
0.016
0.017
0.017
0.003];
Given that the bins are non monotonically decreasing/increasing, accumarray and histc throw up errors, does anyone know how I might make this kind of cumulative histogram?
Thanks,
Jim

请先登录，再回答此问题。

采纳的回答

Walter Roberson
Walter Roberson 2012-10-24
ubins = unique(bins);
bar( ubins, cumsum( histc( data, ubins ) ) );

更多回答（1 个）

Image Analyst
Image Analyst 2012-10-24
Why can't you just sort your bins and then pass them into histc. But you didn't specify if your bins were bin centers or bin edges.

类别

在 Help Center 和 File Exchange 中查找有关 Data Distribution Plots 的更多信息

标签

Community Treasure Hunt

Find the treasures in MATLAB Central and discover how the community can help you!

Start Hunting!

Translated by