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New posts in plyr
How to get top n companies from a data frame in decreasing order
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Using Dates with the data.table package
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Apply a list of n functions to each row of a dataframe?
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Summing rows based on specific factor combinations
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How to use ddply to add a column to a data frame?
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R: Generic flattening of JSON to data.frame
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Unique rows, considering two columns, in R, without order
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renaming the output column with the plyr package in R
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Fastest Tall-Wide pivoting in R
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How do I time out a lapply when a list item fails or takes too long?
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How to strsplit different number of strings in certain column by do function
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Using ddply to apply a function to a group of rows
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cumsum using ddply
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Count occurrences of factor in R, with zero counts reported
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