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New posts in r

How would you do this task using SQL or R library sqldf?

sql sql-server-2005 r

Using cast() to transform a data.frame

r dataframe

How to subset a dataset using multiple exclusions?

r

Combine every element with every other element of an object (cross-product)

r cross-product

How to reduce a data frame keeping the order for other columns

r dataframe plyr data.table

Making pie charts with no axis numbering/ticks in ggplot2

r ggplot2

lapply() with user input

r

How to change line and shape colours in ggplot2?

r ggplot2

Round an POSIXct date up to the next day

r posixct

Selecting a range of rows from R data frame

r

Subset a matrix by dimension names in a vector R

r matrix sparse-matrix

Selecting Max Column Values in R

r

R: How to add constraints for a model to be estimated via lm or nls?

r nls

R: t tests on rows of 2 dataframes

r dataframe statistics t-test

Stop R from parsing ~ to user's home directory

string r parsing eval tilde

In R, how do you get the best fitting equation to a set of data?

r equation

Shingles with lattice package's equal.count()

r grouping lattice

Finding peaks in vector

r

Assigning values in a sequence to a group of consecutive rows leaving some rows empty

Hausman type test in R

r stata plm panel-data