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cs401r_w2016:lab13 [2016/02/12 23:39] admin |
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For this lab, you will use the Old Faithful dataset, which you can download here: | For this lab, you will use the Old Faithful dataset, which you can download here: | ||
- | [[http://hatch.cs.byu.edu/courses/stat_ml/old_faithful.mat|Old Faithful dataset]] | + | [[https://www.dropbox.com/s/h8b67cg8wff7bg0/old_faithful.mat?dl=0|Old Faithful dataset]] |
**The first thing you should is mean-center your data (ie, compute the mean of the data, then subtract that off from each datapoint).** (If you don't do this, you'll get zero probabilities for all of your responsibilities, given the initial conditions discussed below.) | **The first thing you should is mean-center your data (ie, compute the mean of the data, then subtract that off from each datapoint).** (If you don't do this, you'll get zero probabilities for all of your responsibilities, given the initial conditions discussed below.) |