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New posts in data.table

R data.table summary not consistent between explicit sum and .SD

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Generate a vector of strings from data.table values subject to certain conditions

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Events in last 21 days for every row by Name

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replacing all NA with a 0 in data.table in R

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Detecting columns containing any value quickly with grep

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problems with data preparation

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Along runs of certain values, fill with first value from a second column

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calculate max distance by group across millions of coordinates

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R special reshape of data tables

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R - Per group computations - data.table and aggregate()

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spatial data / compute metrics on neighbors in R

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What is exact difference between adressing column by $mycol, [[mycol]] and [, mycol, with=FALSE]?

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Finding rows with sum of a column which is lower than a given value in R

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Are data tables with more than 2^31 rows supported in R with the data table package yet?

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Using group by to get the value corresponding to the max value of another column

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Is there a way to specify the format of dates with fread?

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Fast way to split comma-separated strings into (sparse) boolean matrix in R

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How to subset multiple rows from data.table fast on big data

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Paste multiple column values with column name

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Using by in a function with data.table

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