Mercurial > hg > camir-aes2014
comparison core/magnatagatune/tag_stats.m @ 0:e9a9cd732c1e tip
first hg version after svn
author | wolffd |
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date | Tue, 10 Feb 2015 15:05:51 +0000 |
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-1:000000000000 | 0:e9a9cd732c1e |
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1 function out = tag_stats(annots, names, max_plot) | |
2 % out = tag_stats(annots, names, max_plot) | |
3 % | |
4 % calculates statistics for tag distributions | |
5 % and plots them | |
6 | |
7 if nargin < 3 | |
8 max_plot = 25; | |
9 end | |
10 | |
11 % get overall frequency and sort accordingly | |
12 allapp = sum(annots > 0, 1); | |
13 % allapp = allapp/max(allapp); | |
14 | |
15 [null, idx] = sort(allapp,'descend'); | |
16 | |
17 % --- | |
18 % visualize only the fist top 200 | |
19 % --- | |
20 max_plot = min(numel(names), max_plot); | |
21 | |
22 figure; | |
23 bar(1:max_plot,allapp(idx(1:max_plot))) | |
24 set(gca,'XTick',1:max_plot); | |
25 set(gca,'XTickLabel',names(idx(1:max_plot))); | |
26 axis([1 max_plot 0 max(allapp)]) | |
27 | |
28 legend('#appearances'); | |
29 title 'tag statistics sorted by frequency of appearances' | |
30 | |
31 out = []; |