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Rating Stats for

G. Grothendieck

Rating
1622.82 (1,021st)
Reputation
165,339 (319th)
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Title Δ
R rbind while preserving order or rows in each data frame +0.56
extracting part of path using sub +2.02
converting times using Chron not working as intended 0.00
Equivalent of `break` in purrr::map -1.90
gsub character string which contains special characters -0.56
Summarising after grouping using "rolling" groups -2.56
Subsetting Data using a Sliding Window Approach 0.00
Converting a column string to numeric in an r data frame +0.53
Function composition in R: extending example from closures 0.00
Lookup value based on multiple columns in data frame +0.95
How to eliminate strings from a list given that those strings are n... 0.00
Date format changes 0.00
How do I create a daily time series using data that isn't taken... -0.61
missing yearmon labels using ggplot scale_x_yearmon +0.30
How to get rows where values in any column are more than a value? 0.00
R: count consecutive occurrences of values in a single column and b... +1.32
data.table equivalent of tidyr::complete with group_by with on and... +0.22
Select all combinations of values in a vector in R 0.00
Parsing a vector in R 0.00
What command can parse out letters and digits within a character va... -0.18
Searching for specific string pattern -2.02
After Specific Value Occurs N Times, Replace All Remaining Occurren... 0.00
How to add zeros after decimal but still keep the total character l... +1.63
More general or efficient approach for this matrix multiplication? +0.33
Access n-th element after string splitting +1.28
LM not working (Error in terms.formula(formula, data = data) invali... 0.00
Quarterly Data - Convert Factor to Date +0.33
Convert multiple date format factor to date type in R +0.33
How do I separate the pattern counts with R? +1.97
row.name using `structure` function as c(NA, *integer*) 0.00
Create multiple lagged variables using a zoo object 0.00
How to find the indices of the minimum value in a matrix, where row... 0.00
special character (') in where clause in R 0.00
Use value from latest non missing row and apply rolling function +1.73
Lagging a variable by adding up the previous 5 years? -2.46
dplyr `nth()` can't get it to pipe [Error in length(n) == 1] -1.17
Rolling window in R -0.16
Naming conventions of predictor variables 0.00
How can I calculate a weighted moving average concentration for eac... -0.88
readr reverse function to format_csv 0.00
R: Combine rows with the same id, and expand the columns 0.00
Using mutate rowwise over a subset of columns -1.56
Data Wrangling in R: Malformed input delimited file with records sp... 0.00
Separate character column by Nth character? +0.58
Calculating average for certain time period in every year +1.86
extract from a data frame in R 0.00
Supplying several names to a function call +0.34
What is the best way to vectorize a iterative function in R? -2.18
Solving constrained equations without optimisation 0.00
How do I find the first and last day of next month? -1.21