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Rating Stats for

Pierre Lapointe

Rating
1554.85 (6,669th)

Reputation
12,231 (12,017th)

Page: 1 2 3 4 ... 9

Title	Δ
How do I speed up rolling regressions?	0.00
data.table: filtering out data entry errors by selectively omitting...	-0.57
Extract number of rows from fread without reading the whole file	0.00
Max distances between all possible pairs of coordinates by group	+1.92
Unique Data Frame Based On Three Column Values	+1.14
merge edgelists to a single graph	+0.43
How do I replace NA values with specific values in an R?	+0.43
Calculating cumulative time in R	+1.85
Automatically choose "line" in axis with stacked axis lab...	0.00
How do i make Time Series recoding variable in R. If price reached...	0.00
R: merge rows and fill empty positions with group_by and?	-0.22
Identify all possible combinations of a variable, including if valu...	-0.56
R merge multiple files into 1 dataframe and keep all values	+0.89
R:Montecarlo simulation using transition matrix	0.00
R - Calculate difference between similar datasets	+0.42
Equivalent of index and match in R	0.00
Loop through dataframe in R and measure time difference between two...	+0.44
Creating new column based on the other columns blank values in R Pr...	-2.30
Updating column value and deleting row in R	-0.09
Remove outliers based on a preceding value	+0.33
Aggregating hourly data into daily aggregates with missing value in R	0.00
Calling the same function over multiple argurment in r?	0.00
Expand grid of all possible combinations within groups	+1.09
Subset GPS locations each x hours	0.00
extract strings with more than n words from list	+1.64
How to clear duplicate cells in one column of a data frame without...	0.00
How do I index through a split string contained in a vector?	-0.08
Calculating elapsed “times” in R, where the time depends on a factor	-0.75
R Programming - Combine Data Columnwise	-0.06
Split legend into two lines	0.00
split dataframe at each repeating point in a column	+0.42
Performing a dplyr full_join without a common variable to blend dat...	0.00
Use dplyr to update blank levels of factor given matches in other f...	0.00
Difficulty Grouping and Aggregating Large Dataset	0.00
Split one column into two : Column1-1st split and column2-rest in R	+0.43
Split multiple comma-separated column into separate rows	-0.24
Converting factors consisting of multiple numbers to numeric	0.00
R - =if max statement from excel to R	+0.10
How to use RowMeans function combining with agrregate	0.00
Creating a loop to look up changing values in a rep call	-0.57
Compute custom function nth row using dplyr	+0.69
How to convert data frame to contingency table in R?	-1.10
Challenge in data manipulation	+1.49
Drop all rows in a data frame from first match through to last row	0.00
Summarising Multiple Columns in R (while retaining filter)	0.00
Concatenate data frames with different lengths	+0.65
Keep only rows above row with certain string	-1.94
Replacing 0 in particular order using nested if and for loop in r	+0.85
Summarize_if and concatenate ids that were sum	0.00
Need help extending a function and for loop in R	0.00