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PavoDive has asked 22 questions and find answers to 12 problems.

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PavoDive questions

autoplot saves blank plot to png device when chained within data.table
R gsub to extract emails from text
R vcd::mosaic overlapping labels
Locate title in top left of grid.arrange
R lattice xyplot doesn't match grid to axes' ticks (not multiplot)
"recursive" self join in data.table
RSelenium error: NotConnectedException
R cor returns NaN sometimes
R Assign (or copy) column classes from a data frame to another
Break data.table chain into two lines of code for readability

PavoDive answers

Best similarity distance metric for two strings
How to identify what are the exact elements of a vector?
R vcd::mosaic overlapping labels
RSelenium error: NotConnectedException
Error Installing rJava | Makefile.all:38: recipe for target 'libjri.so' failed
Dispatch values in list column to separate columns
List of data.frame's to individual excel worksheets - R
Number of overlaping datetime inside same table (R)
Plot only selected rows based on the "YES" or "NO" in the column
^ symbol in R lm()