plyr-CodePudding

Tags > plyr

09-13Back-endCounting unique combinations of values in 1 column and 2 additional columns without duplicates
07-27OSR code for creating dataframes including unused categories?
07-24OSaggregate function in R, sum of NAs are 0
07-11databaseIs there a way to force mutate in R to use single values rather than whole column values?
07-10MobileHow to collapse redundant rows together to get rid of mirrored NAs in two columns?
07-04EnterpriseHow to remove the prefix of each sample
07-03Software designCreating a "Dictionary/Reference" Table
06-02OSUsing a key to replace values across a whole data.table
06-02OSoperating numcolwise on a specified columns
05-17Software engineeringr `dlply` error handling when model fails
05-12EnterpriseUse part of row data for new columns in R
05-03OSAlternative to dlply in R or dplyr
04-13MobileUsing ddply in combo with weighted.mean in a for loop with dynamic variables
03-26Software engineeringHow to summarise and subset multi-level grouped dataframe in dplyr and R
03-23Back-endHow can I read in a list of- and combine- multiple CSVs with duplicate ID columns?
03-09otherTrying to use ddply to subset a dataframe by two column variables, then find the maximum of a third
02-28Back-endMake plyr::ddply code compatible with dplyr-equivalent custom function
02-24otherColumns disappearing when I use rbind.fill or bind_rows
02-22Software designR function to add multiple new columns based on values from a group of columns
12-15OSHow to combine count() and group_by() to count responses with a certain value, grouped by respondent
11-30Software engineeringHow to combine two columns using some conditions?
11-26OSGet Correlation coefficient from Two Dataframes Using R
11-21Software designR: how to get the value or object from a name in a custom function?
11-16Back-endCalculations based on Quartiles (Any percentile)
11-07EnterpriseHow can I revalue elements in factor based on values of arguments, passed to the function in R?
10-27MobileCalculate frequency for group-rows within data frame
10-24OSR - ddplyr not working as expected - shapiro.test on long-form data by categories
10-16Software designLapply for dlply
10-13EnterpriseReplace some rows in data frame with other new data frame using dplyr in R
10-13MobileGetting the last 6 months data in R
10-10EnterpriseFilling NA row using data from early date using dpylr in R
10-09NetGenerate date & hour based on month automatically using lubridate in R
10-08MobileComplete missing hour in dataframe with NA using dplyr in R
10-08MobileHow to get the last three months data using dplyr in R
10-06Back-endManipulating data for Regression Model using dplyr in R
10-03MobileCreate new column by two conditions
09-24Software engineeringHow to aggregate data based on dates in R?
09-17OSLoop through multiple columns and make a plot (with error bars for each plot) in R