Displaying 2 results from an estimated 2 matches for "rapton".
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raptor
2009 Sep 04
3
Using anova(f1, f2) to compare lmer models yields seemingly erroneous Chisq = 0, p = 1
Hello,
I am using R to analyze a large multilevel data set, using
lmer() to model my data, and using anova() to compare the fit of various
models. When I run two models, the output of each model is generated
correctly as far as I can tell (e.g. summary(f1) and summary(f2) for the
multilevel model output look perfectly reasonable), and in this case (see
below) predictor.1 explains vastly more
2009 May 12
1
Using loops to run functions over a list of variables
Hello,
I have a data set with many variables, and often I want to run a given
function, like summary() or cor() or lmer() etc. on many combinations of one
or more than one of these variables. For every combination of variables I
want to analyze I have been writing out the code by hand, but given that I
want to run many different functions over dozens and dozens of variables
combinations it is