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▪ Selecting range of Range object
▪ How do I define a range object when I'm not in Excel?
▪ Fid sample size based on num of rows in data
▪ Calculate the ratio between different column, with some restrictions
▪ pivot wider from long dataframe
▪ dplyr concatenate strings by group - row by row
▪ remove the unmatched strings in R
▪ Change numeric(0) to NA in pipe, but return unchanged otherwise
▪ Is there a way I run this script?
▪ finding a row based of a word in a column. But the word in the column is either on its own or as par
▪ Sum column with similar name
▪ Mutate across columns and replace entries with case_when
▪ Aggregating by average on 2 conditions while accounting for NA
▪ Calculating the number of id's from a felm estimation
▪ Access elements of dataframe from uploaded CSV file in R Shiny for SliderInput arguments
▪ python equivalent of group_by, mutate using cur_group() (i.e. value of grouping variable)
▪ MySQL REGEXP to find a word and then non-comma characters till end line
▪ create a view from two tables in athena query
▪ PHP exec | mysql command returns sh: -c: line 0: syntax error near unexpected token `newline'
▪ MySQL - Get three latest dates from tables
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