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▪ Create a conditional interval/group to capture the sum of a numeric variable
▪ How to add a calculated column to a data frame in the middle of a series of joins of other data fram
▪ How to change position of lengthMenu in Shiny DT
▪ iterate which function over vector of numbers
▪ Fill cells dataframe based on multiple conditions
▪ Creating a column based off of multiple columns
▪ How to efficiently apply multiple functions simultaneously to the same dataframe and save the result
▪ Replace value based on match between two dataframes
▪ Type conflict setting multiple variables to NA with mutate, across, case_when
▪ Adding Rows To a Contingency Table
▪ Character labels on top of R ggplot stacked bar have transparent background, instead of white backgr
▪ Recode if string (with punctuation) contains certain text
▪ for loop to determine the top 10 percent of values in an interval
▪ Count identical values in a string, than group, and count the results using tidyverse and dplyr
▪ R - Count the number of reports a month before a week
▪ Checking for membership in a column of list vectors
▪ Create a column that takes the first value of another column and subsequent values are the scaler of
▪ Joining two DataFrames with Pandas, one with 1 row per key, and the other with several rows per key
▪ LEFT JOIN in SQL. How to exclude all the rows from the T1 in T2?
▪ How to draw connecting lines between web elements on a page
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