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PavoDive has asked 24 questions and find answers to 14 problems.

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PavoDive questions

How do I keep strings in first column with tidyr::gather?
R: need to replace invisible/accented characters with regex
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

PavoDive answers

Color based on difference between bars using ggplot
R: need to replace invisible/accented characters with regex
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)