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Rating Stats for

tmfmnk

Rating
1600.31 (1,765th)
Reputation
3,032 (55,783rd)
Page: 1 ... 20 21 22 23 24 25
Title Δ
rollsumr with window-length>1: filling missing values +0.98
Long to wide with different number of rows for each group/ID -1.45
Vectorizing name replacement over range of columns -1.53
Reshape the data frame and consider 1 if 0 and 1 is present +1.68
Split a column, get the mean of the split columns, and update the r... -1.26
Closest value to a specific column in R -0.53
Get smallest number in character string -0.53
R - from wide to long format using combinations -1.73
Measuring time volume with times in multiple columns +0.05
top 5 values in a particular row of a dataframe -0.65
How can I change a series of dates into one date R? -0.76
How to transform long to wide reshape with tidyverse 0.00
How to find the minimum and maximum in many rows per single value -1.16
Selecting top n groups with dplyr then plotting other variables -0.46
How to find a column value based on the unique value for another co... -1.08
Parsing Multiple Conditions through grouped variables with dplyr -0.26
Summary of N recent values -1.53
Multiple values of a column -0.07
Replace all duplicated with na +0.34
Replace the values of two dataframe columns based on the values of... -1.85
Renaming variable based on the value of the previous variable +1.17
How do I output the max value within a range of rows in a data frame? -0.55
How to create a day/night factor from POSIXct variable -0.44
dplyr: conditional column selection using select_if() -0.51
how to delete observations from a specific point onwards? +0.51
How to bin the summarised frequency table with dplyr -1.09
How to perform a rowwise function on an arbitrary of columns? 0.00
Reshaping data with dplyr: Transforming 2 columns into 1 with addit... 0.00
Melt basket dataframe to single dataframe without loops -0.21
Tricky merge with dates in r - expand rows from one df to match ano... +2.89
converting data to a choice model data structure -0.36
Incidence matrix to locate specific information in a dataframe -0.82
Compare rows and replace value if there is a difference -0.43
How to select last N observation from each group in dplyr dataframe? -0.22
Reference column from next row with different value 0.00
make values NA with row range condition in r data.table +0.37
Output "NA" into a new column when string values are same... -0.19
Complex dataframe values selection based on both rows and columns +0.34
merge tibbles by column with repeated values 0.00
Min and max of NA sequences +0.27
How to calculate a row-wise count of duplicates based on (element-w... -0.52
have a list of months need to select latest for each person +0.69
NA when preparing data using tidyverse in R -1.60
Percentages per year per value -0.38
Combine rows based on multiple columns and keep all unique values +0.15
difftime with previous non-NA value from other columns +2.90
Using cast() or ddply() to summarise the mean for two continuous va... 0.00
Count values per year and based on other column +0.78
Cumulative sum based on factor on R -0.57
Replacing values in a column where there is a match +1.81