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factors
2009 Aug 20
1
Questions on factors in regression analysis
I got two questions on factors in regression:
Q1.
In a table, there a few categorical/factor variables, a few numerical
variables and the response variable is numeric. Some factors are important
but others not.
How to determine which categorical variables are significant to the
response variable?
Q2.
As we knew, lm can deal with categorical variables.
I thought, when there is a categorical