Mark Heckmann

Mark Heckmann has asked 54 questions and find answers to 35 problems.

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About

I am a PhD candidate at the faculty of Psychology at Bremen University, Germany. More about me: www.markheckmann.de

Mark Heckmann questions

Getting approximately unique values from character vector
RDCOMClient: How to use enumeration objects or how to get their correspoding values?
why does assigning to the ellipsis `... <- 1` not throw an error?
How can I actually see the raw query generated by DBI::dbWriteTable?
How to remove function defs from RStudio's code outline for more clarity?
Execute dynamic SQL query stored in text variable using Postrgres plpgsql [duplicate]
'git status' yields different results in git bash (Windows 10) an WSL2 bash
create vertically non-overlapping labels next to boxplot using ggplot2
finding x coordinates of box in geom_boxplot (ggplot2)
rgl: how to display the numbers of all opened rgl devices

Mark Heckmann answers

Scaling values in R data frame by group and variable name
Generate random number of missing values in R
remove all quotation marks from a data frame
Change timezone in a POSIXct object
making sure a function does not use a global variable [duplicate]
How to use the "[" function to select a row / column of a matrix
Print/save Excel (.xlsx) sheet to PDF using R
Why apply() does not work on my dataframe in R?
knitr: how to use child .Rnw docs with (relative) figure paths?
selecting rows with specific conditions in R