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New posts in r
How would you do this task using SQL or R library sqldf?
Feb 23, 2023
sql
sql-server-2005
r
Using cast() to transform a data.frame
Feb 23, 2023
r
dataframe
How to subset a dataset using multiple exclusions?
Feb 23, 2023
r
Combine every element with every other element of an object (cross-product)
Feb 22, 2023
r
cross-product
How to reduce a data frame keeping the order for other columns
Feb 23, 2023
r
dataframe
plyr
data.table
Making pie charts with no axis numbering/ticks in ggplot2
Feb 22, 2023
r
ggplot2
lapply() with user input
Feb 21, 2023
r
How to change line and shape colours in ggplot2?
Feb 22, 2023
r
ggplot2
Round an POSIXct date up to the next day
Feb 20, 2023
r
posixct
Selecting a range of rows from R data frame
Feb 20, 2023
r
Subset a matrix by dimension names in a vector R
Feb 21, 2023
r
matrix
sparse-matrix
Selecting Max Column Values in R
Feb 19, 2023
r
R: How to add constraints for a model to be estimated via lm or nls?
Feb 21, 2023
r
nls
R: t tests on rows of 2 dataframes
Feb 20, 2023
r
dataframe
statistics
t-test
Stop R from parsing ~ to user's home directory
Feb 21, 2023
string
r
parsing
eval
tilde
In R, how do you get the best fitting equation to a set of data?
Feb 21, 2023
r
equation
Shingles with lattice package's equal.count()
Feb 19, 2023
r
grouping
lattice
Finding peaks in vector
Feb 21, 2023
r
Assigning values in a sequence to a group of consecutive rows leaving some rows empty
Feb 20, 2023
r
conditional-statements
sequence
rows
Hausman type test in R
Feb 21, 2023
r
stata
plm
panel-data
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