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Reshape a dataframe to long format with multiple sets of measure columns [duplicate]
r
dataframe
reshape
reshape2
ggplot2 does not appear to work when inside a function R [duplicate]
r
ggplot2
R Convert to date from multiple formats
r
as.date
R mtcars dataset, meaning of "vs" variable?
r
dataset
How to subset a matrix with different column positions for each row? [duplicate]
r
matrix
subset
Calculate total miles traveled from vectors of lat / lon
r
geolocation
show multiple plots from ggplot on one page in r
r
for-loop
ggplot2
High memory usage, but low CPU usage?
memory
cpu
performance
cpu-usage
r
Formatting a date in R without leading zeros
r
date
zero-pad
Plotting multiple graphs in R [closed]
r
ggplot2
Compute the correlation by looping through factor levels in a dataframe
r
dataframe
aggregate
correlation
What is the difference between NULL and character(0) in R?
r
null
Group data based on intervals and assign group to new column
r
group-by
Getting all combinations which sum up to 100 using R
r
combinations
Paste all combinations of a vector in R
r
paste
How do I scrape / automatically download PDF files from a document search web interface in R?
r
web-scraping
text
nlp
tidyr
Is there way to track progress on a mclapply?
r
progress-bar
mclapply
How to prevent regmatches drop non matches?
regex
r
Calculate percentage of each category in each group in R [duplicate]
r
Find all unique values in column separated by comma
r
strsplit
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