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I need to elongate a dataset by filling in dates between two rows in R with a value in another colum...


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R - Loop multiple variables group_by...


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Calculate proportions within subsets of a data frame...


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Apply hierachial shuffling/sorting of data frame in R...


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Split overlapping intervals into non-overlapping intervals, within values of an identifier...


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Population pyramid plot with ggplot2 and dplyr (instead of plyr)...


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R aggregate column until one condition is met...


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Define new variable to take on 1 if next row of another variable fulfills condition...


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R regression on multiple samples...


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Sum column values over a window and report the values of the previous window...


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Taking minimum difference of dates between two data frame for the same id...


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FIlter the top 50 values from multiple colums in R...


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