Reshape three column data frame to matrix ("long" to "wide" format) [duplicate]

Reshape three column data frame to matrix ("long" to "wide" format) [duplicate]

r matrix dataframe plyr reshape

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How to select the rows with maximum values in each group with dplyr? [duplicate]

r dplyr plyr greatest-n-per-group

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Applying a function to every row of a table using dplyr?

r plyr dplyr

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Change value of variable with dplyr [duplicate]

r dataframe plyr dplyr

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dplyr summarise: Equivalent of ".drop=FALSE" to keep groups with zero length in output

r dplyr plyr tidyr

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Count number of rows by group using dplyr

r dplyr count plyr

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dplyr: "Error in n(): function should not be called directly"

r function plyr dplyr conflicting-libraries

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What does the dot mean in R – personal preference, naming convention or more?

r coding-style naming-conventions plyr

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How to create a lag variable within each group?

r data.table plyr dplyr

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Aggregate a dataframe on a given column and display another column

r aggregate plyr greatest-n-per-group

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Convert data from long format to wide format with multiple measure columns

r dataframe plyr

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Object not found error with ddply inside a function

r function scope plyr

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meaning of ddply error: 'names' attribute [9] must be the same length as the vector [1]

r plyr

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R: speeding up "group by" operations

performance r plyr

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Fastest way to add rows for missing time steps?

r dataframe plyr data.table

r