Basic statistical terms and intuition1.25MB. 0 audio & 23 images. Updated 2015-09-20.
Sample (from 186 notes)
|Front||In a t-test, are the two compared populations assumed to follow a normal distribution?|
|Front||What does it mean to center the columns of a matrix?|
|Back||to subtract the column mean from each entry of a column (http://stat.ethz.ch/R-manual/R-devel/library/base/html/scale.html)|
|Front||In k-fold cross validation, what does a "fold" refer to?|
|Back||a randomly chosen, equally-sized subset of the data (Shalizi 3.4)|
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