September 2017
Beginner to intermediate
446 pages
9h 17m
English
book
Data Analysis with IBM SPSS Statistics
by James C. Mott, Ken Stehlik-Barry, James Sugrue, Anthony Babinec
Content preview from Data Analysis with IBM SPSS Statistics
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Statistical and graphical summary of the data
There are many exploratory analyses that you can undertake at this point. Here, we show a simple table means as well as a scatterplot matrix that reveals the group structure.
Here are the group means on the attributes:
These statistics are presented for descriptive purposes. You are looking for overt differences in the means across the three types. If an input's means vary across type, then this suggests that the variable might be a useful discriminator. On the other hand, do not make too much of apparent differences as these are single-variable statistics. Discriminant analysis brings all of the ...
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