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Rating Stats for

Pierre Lapointe

Rating
1554.85 (6,669th) 		Reputation
12,231 (12,017th)
Page: 1 2 3 ... 9
Title Δ
Expand dataframe columns -0.87
How to replace values in a specific column +0.52
using diff and cumsum in R 0.00
matching large vector of string against large vector of patterns -0.09
How do I transform a data frame to the desired structure and form? +0.40
Histogram with different colours using the abline function in R 0.00
Is there a possibility for shortening my code? 0.00
R: Find average for column excluding that row's value from the... 0.00
How to join columns with .x, .y suffix in R 0.00
R data table unique record count based on all combination of a give... -0.82
Chunk continuous timeseries data into non-continuous time windows f... +0.42
Using R: finding the smallest set of numeric substrings that can &q... +0.42
How to merge these data frames +1.44
Removing row if number of NA's is larger than 2 (or any number)... 0.00
Alternative to na.locf (zoo) for numbers -0.56
Abnormal records +0.39
merge and expand 2 dataframes -2.19
Change the order in which summary functions are printed by skim +1.52
merge tables in R, combine cells if in both -1.17
Sequence of seed-(looking for an specific result) -0.09
Find repeated user ID in future timeframe (in R) -2.27
Best Match of each element in of a string with many strings 0.00
How to split text in more than one column simultaneously 0.00
Rearranging variables using dplyr's select and everything() -1.52
Identifying rows with values equal to 0 in R 0.00
Control of colors in complex network graph using igraph 0.00
Keys missing in data table rolling joins 0.00
Change values in multiple columns with unique value and merge into... 0.00
Computing multiperiod stock returns on a daily basis 0.00
How to split a table by one column in R? -1.40
Plot time series and work out number of times a threshold is exceeded 0.00
Grouping values with condition +1.55
How to apply a "for loop" in all columns in R? +0.55
Split a string on alternating index -0.16
Faster Alternatives for for-loop +1.08
Finding if a given quarter was present in a date range in R +0.42
Combine five columns of a dataframe to two new lists -0.09
Attribute asset to minimize variance in R 0.00
Error: requires numeric/complex matrix/vector arguments when using... 0.00
convert dataframe to new list +0.84
Results from table() into row of a dataframe R +1.23
R xts financial intraday data - calculate session values? -1.11
R: Find position of last value meeting a certain criteria for every... +0.26
Cast transactional data 0.00
How arrange data frame? +0.40
Add new words to Bing sentiment Lexicon in R 0.00
Match a vector to multiple consecutive rows in R 0.00
How can I create a new column for month and year from datetime and... +0.41
Puzzle in R with for loops +2.00
Puzzle in R with for loops -2.00