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Rating Stats for

Uwe

Rating
1496.72 (4,013,663rd)
Reputation
24,370 (5,280th)
Page: 1 ... 6 7 8 9 10 ... 24
Title Δ
Aggregate on two columns -0.01
ggplot with two x variables +0.03
Trying to make a bar chart with each categorical column as a differ... 0.00
How to represent the difference between two time series with a bar... -1.08
remove rows in R data frame based on group and another data frame +2.47
find 75 percentile and replacing by median for each group in R 0.00
Obtain data from row based on a condition +1.95
Select N rows above and below match -1.70
Match rows in different dataframes based on multiple criteria witho... +0.49
Count 1s in binary variables 0.00
decode all values to zero if Sequence <= 3 keeping certain infor... -1.57
How to transfer negative value at current row to previous row in a... -1.42
Apply if else function looping through 2 vectors to manipulate a da... +2.42
R datatable order by columns returns unexpected subset 0.00
select group before certain observations separated by grouping var... -1.94
select group before certain observations in R -1.26
select group before certain observations in R -1.26
Filtering dates from different columns depending on conditions 0.00
comparing each row with all other rows in data.frame +0.09
calculation of 90 percentile and replacement it by median by groups... -1.96
Closest Value for each 15 min interval -0.42
Create new data.table columns based on other columns 0.00
calculation of 90 percentile and replacement of it by median by gro... -0.03
Subset dataset by time criteria by ID +2.56
counts of combinations of values in a dataframe R +2.60
New variable by date range in R -0.00
performing frequency table by group with calculation count of value... +1.64
incorrect Rscript work when replacing medians 0.00
selecting groups by its scenario in R -0.50
Compiling all non-zero values in a row into a string column -0.97
Error in R: Error in as.numeric(xij) +0.01
check a data.frame column (character) against 4 lists -0.99
Cannot iterate through a list while I iterate through a list of lists +0.03
Compute factor data between two data frames in R 0.00
Lookup value from multiple columns that is the closest match to ano... -1.57
R there any more elegant solutions to add columns into multiple dat... -0.06
replace median for category by condition of three zero before and t... -0.49
Calculate a cumulative sum columwise with a specified number of col... +1.48
data.table assigning multiple columns generated as a new data.table... 0.00
Create an Average Variable Using Other Rows in R +0.05
How can I join two columns based on its position? -0.79
replace median for category separated by groups in R -2.01
Dynamic column position with specified anchor point +2.00
Dynamic column position with specified anchor point -2.00
Variable shift using lookahead in R data table 0.00
Date is within an interval and pull field +0.99
Reshape data wide-to-long, preserve variable order in `varying` -1.30
Reshape wide to long, preserving ID variable from rownames +0.78
How to pass an arbitrary number of arguments to R function without... +0.51
Self defined function with dplyr functions won't accept argumen... +0.50