rdataframedplyr-CodePudding

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11-10OSR: Create new column based on first and last values per ID
11-10OScount unique character values for different col of character values in R
11-10OSHow to add a cumulative column based on a value divided by size of each group?
11-10EnterpriseGet TRUE for each row whenever any of specific column values exist in an external vector
02-04Back-endChoose top two rows based on a column and show it in a summary table
02-03BlockchainWhat does in mean that "You can have a column of a data frame that is itself a data frame?"
02-03BlockchainR Convert column of lists into binary columns
02-03Software engineeringUsing dplyr, group data by id and date, find first and last location
01-28Software engineeringHow can I mutate all columns to change class using dplyr in R?
01-27OSReplace value when value above and below are the same
01-27Software engineeringFill column within certain ranges with available value
01-26NetHow can I remove the values of a column of a data set that contain specific number of digits in R us
01-25Back-endSubstract values in a column based on the values of 2 other columns
01-23otherCount occurrences of values in second column equal to the given value in first column R
01-22MobileHow to subtract multiple similarly labeled columns from one another?
01-21databaseAvoid to subset the data and then merge to make calculations in dplyr
01-19Software designDealing with row-wise NAs in R
01-18databaseCounting distinct occurences in a group by function with different summarise filters
01-18databaseAdd rows to data frame based on count
01-13databaseAdd thousand separator s to all columns of dataframe
01-09databaseHow to create a dataframe with a column name conditional on an object's value in R?
01-06NetUse dataset on task done on a certain timestamp to reconstruct a work schedule in R
12-30NetError when using mutate_if or mutate(across()) to convert all columns from character to numeric
12-29EnterpriseR: Using dplyr to Perform "Conditional" Functions
12-28Mobileconverting transitions in panel structures into string sequences
12-17Software engineeringFollow-up: Turning a long-format dataframe into a one-row wide-format dataframe
12-17OSHow to apply custom function to multiple columns in R and store many dataframes using loops
12-16Software designmutate across with vectorized function parameters
12-15Software designTurning a long-format dataframe into a one-row wide-format dataframe
12-14databaseReplacing NA's with numbers based on the numbers preceding them in R data frame
12-14MobileHow to recode multiple columns in R efficiently?
12-14MobileGroup repeated values with random breaks in R
12-09otherIs it possible to impute multiple values from a different dataframe dependent on a condition?
12-07Software engineeringProblem with dplyr string mutation of dataset
12-07Software engineeringHow can I retrive the most represented value in coolumn of a dataframe?
12-06NetDuplicate Year columns to QuarterYear in R
12-02Back-endHow to manipulate multi-index data in R?
12-02Back-endGroup sequence based on positive to its negative value shift
12-01MobileCompare two dataframes based on first and last name separeted by row
11-29databaseRemove non-last rows with certain condition per group

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