Tags > rdplyrtidyverse
- 02-03Software engineeringUsing case_when() inside a function to refer to column names that is passed to the function
- 02-02EnterpriseCumulative sum equivalent for string
- 01-31NetHow to remove rows if values from a specified column in data set 1 does not match the values of the
- 01-31Back-endIs there a way to select the first row within a group with different conditions in dplyr?
- 01-25Software engineeringFinding scoring runs in R
- 01-23otherR - Fill in missing values, with the previous value in the column, times another column, and iterate
- 01-18Software engineeringdplyr conditionally mutate data type
- 01-16otherHow to combine the rows above middle, and below if condition is met?
- 01-09BlockchainCalculating score change at two or more time point
- 01-02databaseCreate total and sub-total with group_by
- 12-31NetWhy do I have to call dplyr :: select() multiple times, unlike filter()?
- 12-31NetHow do I replace values in certain columns conditional on a certain value in corresponding columns?
- 12-30NetDifferent ways of using dplyr :: filter() to get the same output
- 12-30NetCreate third column based on conditions of other column
- 12-29OSComparing two dataset, show number of total rows, if different show subjectids
- 12-23Back-endHow do I pivot and join 3 different tables by a ID column using dplyr?
- 12-19Enterprisedplyr mutate converts double to logical, bug or correct?
- 12-16otherHow to perform pivot_wider on a dataframe with multiple names_from columns and multiple values_from
- 12-14MobileCreate multiple columns using dynamic naming (dplyr approach)
- 12-13Software designWhen value is negative, subtract result from previous value
- 12-12front endR sum instances where a date falls within any of the data ranges in df2
- 12-07OSIs there a way to "CountIF" in R based on two conditions
- 12-05Mobilecumulative sum in R with conditions
- 11-30BlockchainHow to pull emojis from a column?
- 11-28databaseHow to obtain maximum counts by group
- 11-27EnterpriseDynamic variables from dataframe value in R with value names?
- 11-21BlockchainMerge column if duplicates in rows between columns
- 11-19Software engineeringmutate a new column with rows from another column based on a condition
- 11-17MobileR count the number of occurrences of a specific value within each column of dataframe
- 11-15Blockchainpivot_longer with multiple columns in R
- 11-15Blockchainvectorized subsetting given name-range pairs
- 11-10front endR: count laps based on distance column
- 11-07NetIgnore some things using str_starts, with n_distinct() in tidyverse
- 11-07NetHow to turn rownames of a dataframe in format `col1 col3 col4` into a column of numerical vector
- 11-06Mobilemutate create column with name from a variable
- 10-31databaseR: changing a variable to another value in some rows
- 10-29EnterpriseHow to Calculate a Continuous Cumulative Sum?
- 10-28BlockchainSummarise columns into a list and keep the rest of the columns in R dplyr
- 10-23databaseUse dplyr::rename function in a for loop in R
- 10-22databaseConvert a grouped data.frame into a list in R dplyr