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akrun

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1527.10 (21,478th) 		Reputation
833,306 (14th)
Page: 1 ... 67 68 69 70 71 ... 562
Title Δ
count number of events grouped by id +0.46
function : splitting strings, duplicating rows and replacing the or... -0.05
How to summarize data by several groups (R) 0.00
Assign value to a column of data frame from a vector in R 0.00
Error in generating sequence of dates-'from' must be a fini... 0.00
Identify groups with all missing values for a variable and extrapol... 0.00
replace NA in same group with value 0.00
Frequencies / percentages of multiple binary variables by group wit... 0.00
How to take a maximum of several columns in R/dplyr +0.64
Convert matrix column in R data frame to multiple columns 0.00
Subset a data frame for date and keep all later dates in data.table +2.54
Generate dates based on a date column -same day of week, same month 0.00
Find the mean of multiple columns in dplyr.... why am I getting a r... +0.52
Concatenate X number of rows in R +1.90
How to remove columns with duplicate values in a data frame? -0.01
Number of rows by Group ID conditional -1.05
In R, why does subsetting a negative numeric value of length 1 resu... 0.00
Adjust function so that it instead of it looping through all rows,... +0.31
Use loop function in r to calculate constant value for each day? 0.00
How to use slice in dplyr to keep the rows with NA values in R +1.39
Merge columns in R +2.05
curly curly tidy evaluation programming with multiple inputs and cu... -1.51
How I remove \ in R 0.00
R: Create indicator variables from data and extract category +2.37
How can I get this gsub function to work for me? 0.00
replacing the value with previous row value based on condition in R +2.70
subset square matrix A based on condition of square matrix A and sq... 0.00
Define the variable to drop among ID duplicates in data.table 0.00
I am looking for a way in R to drop a column depending on the posit... -2.09
Drop (or negation selection) multiple variables represented by a ve... +2.40
How to apply a function per group in dplyr without having to define... -1.62
mutate_if for numeric colums divided by rowsums 0.00
Partial string match in another dataframe in r +0.14
How to sum the amount of columns with an entry in each row? +0.03
Adding a column to every dataframe in a list with the name of the l... -2.07
Keep only the text of a label +1.14
Replacing last n rows of a column in a dataframe with values from a... -0.25
Keep frequency from formating labels +1.87
How to get grouped Sum with nest in one step +2.41
How to add 1 minute to each value in a vector in R Studio? +2.44
r data.table inserting specific rows if missing into a data table -1.68
Calculating Stats from list of results in R -0.78
Using str_replace_all() not working on data.table column when using... 0.00
Divide by Zero workaround +1.97
Selecting distinct entries based on specific variables in R -0.50
Unable to filter dataframe due to datatype issues in R 0.00
R replace name element of df1 with name of other df2 0.00
Saving each iteration in a for loop as a data frame -1.10
scale a particular variable into zscores is returning a matrix +0.25
How to group values based on NA vs. alphabet -1.56