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Flag observations before and after a specific value in another column

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Converting string/chr to date using sparklyr

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R cumsum with multiplication based on value

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str_replace pattern is "" gives "Error in mutate_impl(.data, dots) : Evaluation error: Not implemented."

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r using dplyr 'gather' function

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Using `dplyr::mutate()` to create several new variables from names specified in a vector

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dplyr::recode in conjunction with stringr::str_detect()

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dplyr::mutate_at using multiple functions

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Find all the zeroes over a diagonal of a data frame

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count by all variables / count distinct with dplyr

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bind_rows(), column can't be converted from integer to character error

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Creating new column combining info in two columns, alphabetically

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Filter dataframe based on input vector containing column names

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Get latest record but if the latest is empty then get the last latest record

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How to remove rows that contain identical pairs in opposite order in 2 columns

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Filtering on grouped variable maintaining sequence

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Add variable labels within mutate

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R: How to generate a column with row values based on the nearest N row's values

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Unexpected Behavior with dplyr::filter()

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How to unnest multiple list columns of a dataframe in one go with dplyr pipe

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