Jaap

Jaap has asked 13 questions and find answers to 312 problems.

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My data.table-tutorial files.

Jaap questions

How do I connect the endpoint & startpoint of geom_line in a polar plot (coord_polar)?
How to prevent data.table to force numeric variables into character variables without manually specifying these?
Odd behavior when joining with multiple conditions
Melt a dataframe by pattern in colnames
Replace empty values with value from other column in a dataframe
How to extract keywords from Google search results page URL?
How to fill geom_polygon with different colors above and below y = 0?

Jaap answers

Modifying ggplot2 Y axis to use integers without enforcing an upper limit [duplicate]
Plot different distributions over histogram with ggplot
R ggplot2 discrete colour palette for gradient map
Handle Continuous Missing values in time-series data
How to plot specific colors and shapes for ggplot2 scatter plot?
Plot geocode: ggmap error
ggplot2: how to create correct legend after using scale_xx_manual
Find all the zeroes over a diagonal of a data frame
Need first instance only when joining two tables using data.table's :=
How to specify different palettes and line size within a single ggplot2 plot