legend pie chart
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Hi i'm new to matlab and i have a question. for example if i have a vector with some ascii numbers, like
x=[65 65 67 68 68 68 68]
and i then want to draw a pie chart with the most frequent letter.
x=[65 65 67 68 68 68 68]
char(x)
y=unique(x)
counts=histc(x,y)
pie(counts,cellstr(num2str(counts(:))))
but my problem is that i want to have a legend witch will say what letter the different coulors represents, is that possible?
1 件のコメント
the cyclist
2012 年 1 月 19 日
Really an aside to your question, but you would probably want to use hist() rather than hist(), because you are specifying the bins, not the edges between the bins.
Also, I would recommend against a pie chart here. A bar chart will most likely allow the consumer to better judge the relative letter frequency.
採用された回答
Sean de Wolski
2012 年 1 月 19 日
Like this?
x=[65 65 67 68 68 68 68];
y=unique(x);
counts=histc(x,y);
pie(counts,cellstr(char((y')))')
Note transpose for num2str()
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