histogram - [STEPS OF PLOTTING HISTOGRAM To plot a...

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August 28, 2007 [ STEPS OF PLOTTING HISTOGRAM ] To plot a histogram, you have to specify bins and their ranges. But the bins are actually determined by the person who is to plot the histogram, so are the ranges. For what I did, take the homework 1.31 as an example. 1. Decide the overall range of your bins. I found, after sorting the data, I found the smallest amount of return was -23, and the largest was 12.5. Namely, the overall range of all the security returns is from -23 to 12.5. So, I set up my overall range of bins to be from -25 to 15, since I want to make it a little bit wider than the exact range of security returns, which are the data I was investigating. The reason was to make the histogram neater, that I set my overall range of bins wider than the exact overall range of security return. 2. Decide the range of each bin. Since I have set the overall range of my bins, I am going to determine the range of each bin. Personally, I don't want to make the amount of bins too small, otherwise some statistical
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histogram - [STEPS OF PLOTTING HISTOGRAM To plot a...

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