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Rating Stats for

G. Grothendieck

Rating
1622.82 (1,021st)
Reputation
165,339 (319th)
Page: 1 ... 32 33 34 35 36 ... 105
Title Δ
String Splitting a column into multiple columns +1.03
R : data.table returns an empty row when the it actually exist 0.00
R: replace underscore repeated non-consecutively more than twice 0.00
Issue with pasting 5 columns groups in R +1.92
Declare a variable within a function to be used outside the functio... 0.00
Combine Series of Columns in R -1.53
Calculations based on a dynamic subgroup of a data.table -1.53
Scoping problem when assigning functions in a loop -1.69
How to create full date column using "Month_Year" charact... +1.32
Dynamic variable names in R regressions -1.19
How to subtract sequential numbers in a list -1.43
Quickly interpolate missing values in R plot +0.98
Transforming data frame to time series in r 0.00
Function parameter; passing variable name without quotes +0.34
Converting a tbl_df to a ts -0.66
add class of global S3 object within a function, avoiding the `<... 0.00
Subset data frame based on date (month) using variables 0.00
convert minutes into day of week and hour 0.00
How to count Yes/No responses and group them? -1.25
Find and extract year within sentence for each cell in R +1.46
enabling SQLite's generate_sequence to be used in R's sqldf... 0.00
How to remove rows in data frame of time series events if another s... 0.00
Cannot use self-starting models when manually defining maxiter for... 0.00
Add counter to consecutive observations of categorical variable in R? +0.34
Modifying lists and environments 0.00
Splitting a column in a data frame by an nth instance of a character +0.89
GRG Nonlinear R 0.00
Data In Long and Wide Format, Need to Convert to Just Long in R -0.68
Count the maximum of consecutive letters in a string -1.56
Expand start and end dates into a sequence of beginning and ending... +1.19
Dictionary of Headers in R -1.65
rcppRoll n = number of months instead of obs +0.34
How to compute all power sets with cardinality at most K? 0.00
Use Reduce to call list of functions +0.90
R - Predicted variables not included in linear regression graph 0.00
Convert list of values to a list of list indexes for each value +1.38
Last month year value for next whole year in R +0.66
R solver optimization 0.00
Efficient solution to (recursively) replace NAs with the mean of la... +1.40
plot not working while simulating a time series 0.00
using replace more efficiently in R 0.00
How to get environment variable from a user account in R and Python? -0.15
Estimate probability density from cumulative fraction 0.00
R: determining coefficients for nls 0.00
Starting values for 4 parameter NLS - Chapman Richards function 0.00
Non linear model with five parameters (w/ nls R) 0.00
(R) Parse character vector and split into two separate columns +1.41
Applying a function inside a dplyr pipe command -0.16
access matrix by rownames and colnames, and return zero if not avai... +1.78
Dividing strings into multiple columns 0.00