IRTFM

IRTFM has asked 15 questions and find answers to 1383 problems.

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IRTFMMT == "I read the fine manual, many times" Retired physician. Longtime R user.

IRTFM questions

Why read.zoo gives index as dates when times are available
How to wrap RHS terms of a formula with a function
How to capture minus sign in scientific notation with regex?
Setting NA in a matrix using another logical matrix
Convert console output of list to a real R list
How to represent polynomials with numeric vectors in R
Why doesn't outer work the way I think it should (in R)?
Why is the terminology of labels and levels in factors so weird?

IRTFM answers

Making a wireframe plot from an x,y,z data.frame
ways to incoporate negative or minus sign in variable name
plot Ellipse bounding a percentage of points
add legend in a histogram (lattice)
Running Statistics::R module in Perl on Mac OS - no image being produced
Is Spearman's cor.test in R tie corrected or not?
simple integration
Plot an Archimedean spiral using integer values with ggplot2
Replacing values in data frame in R
How to STOP superscripting in an R plot axis label when using grid