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Rating Stats for

Uwe

Rating
1496.72 (4,013,663rd)

Reputation
24,370 (5,280th)

Page: 1 ... 11 12 13 14 15 ... 24

Title	Δ
Lookup observations data based on another table	0.00
Identifying and labelling partial-duplicate records in R	+1.39
Using R data.tables, how can I update one table with values from an...	0.00
find columns present in vector and replace values that equal 1	-0.71
Count values with a certain condition	+1.65
How to create a rank variable under certain conditions?	+1.65
Combine dataframes with "one column name in common with differ...	-0.38
Find intersect between dataframe columns and a second dataframe	0.00
Obtaining a previous value from a column and differencing in R	0.00
Finding subsets within a dataframe and writing the result	+0.51
generate artificial non-events based on the real events data	0.00
Reconstruct / extend data.frame previously collapsed on a subgroup...	-2.20
Splitting specific column values into multiple columns	-0.26
How to remove inconsistencies from dataframe (time series)	+0.46
How to remove inconsistencies from dataframe (time series)	+1.57
Multiple different conditions and if statments within a loop	+0.52
apply a function in the j section of a data.table that only works o...	0.00
find missing entries - improve efficiency by eliminating nested loop	+0.52
Nested conditional throwing an error	+0.52
Best method to Merge two Datasets (Maybe if function?)	-0.34
How can I create a column that cumulatively adds the sum of two pre...	-1.34
R: Using function arguments to update elements in a data frame	-1.82
combining dataset with the most up-to-date rows	0.00
R: "label" a row based on conditions from another data.ta...	-1.84
R: find largest interval in dates with condition	-1.91
Nested if-else loops in R	+0.95
How to ggplot two variables with a specific colour and legend with...	0.00
Plot the count of purchase per day and month in R	+0.51
How to extract month from a Year-Month (2017-10) type object in R?	+0.00
How to find the location of a column in multiple dataframes	+0.24
Split one variable into multiple variables in R	-1.04
How to show important values on a graph with ggplot?	0.00
Subset using i statement dynamically created from another data.tabl...	+0.21
How to reshape wide continuous data into long categorical data?	+0.01
convert dataframe to new list	-0.54
Relookup values in data.table based on lookup table	+0.04
Lists: working with sublists of mother list	+1.81
Subsetting a data frame based on another data frame with multiple c...	-0.52
Vectorization/data.table - increase efficiency of for loop for 12kk...	+0.47
Quick way to repeatedly filter a data frame in R	0.00
Column names in a list/multi column criteria in data.table R	-1.36
Percentage of reoccurring observations by group	-0.32
Subtract pairs of columns	-1.44
Easily check whether an objective was recorded in other variable?	+2.25
Skip NA in data.table by	0.00
R about assign new labels to the old data when two criteria are met	+0.51
Create new rows based on date variable	0.00
R correlation in a loop with one dynamic variable and based on grou...	+1.13
Assigning by reference in R data.table with i expression provided i...	+1.36
Replace the second entry of a filtered data frame	+0.05