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Rating Stats for

G. Grothendieck

Rating
1622.82 (1,021st)
Reputation
165,339 (319th)
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Title Δ
Two Time series data with different time stamps and a different num... -2.07
as.Date with two-digit years -0.12
How to get visit number for multiple different study IDs using samp... +0.42
Combine cells having similar values in a row 0.00
How to retrieve column in sequence on SQLite using R -2.13
How to deal with a substituted formula not being recognized (e. g.)... 0.00
(dplyr) Sum of N values most recent to a date -0.63
Vectorized rolling spread/split/subset +0.38
How do I create a "macro" for regressors in R? -0.11
Merging 3 dataframes Left join -1.43
Rollapply for rolling regression with different window sizes, save... 0.00
How do you convert all the NAs with 0 in R? -0.13
Convert runif to h:m:s 0.00
Extract value between second and third underscore in R -2.50
Splitting column into multiple columns by separator -2.53
How i can use apply() to calculate time lags to a data frame in R -1.31
Modifying csv to avoid parsing issues 0.00
Possible bug on R with chron and sapply 0.00
How to loop over a sliding window of data with lapply? -2.25
Rolling year to date average in R 0.00
Removing some but not all digits from variable names in R 0.00
R Time Series Object ts() Date of Minimum and Maximum -1.16
Daily Time Series Analysis -2.77
Dealing with date format in zoo 0.00
R cumsum with multiplication based on value -0.14
R - Replace missing values with highest of 4 previous values -0.13
R: Efficient formula creation within `lm` +1.92
How to make factory fiscal quarters behave like dates +0.38
Replacing punctuation in string in different ways by word length in R +1.65
time series analysis with covariates 0.00
How to store multidimensional subscript as variable in R +0.91
How to find correlation coefficients for non-numeric variables 0.00
paste columns where collapse parameter depends on column class +1.42
Different result from the same regression 0.00
How to regress all rows with the same date on a value? 0.00
filling missing month in time series with NA -2.40
Create a new data with rows aggregation in R +0.47
Merge two dataframes by partial string match +1.13
How to replace missing values with mean of one of the category of t... -1.26
R moving average function to deal with values less window size 0.00
regular expression in R - extract words 0.00
Find nearest matches for each row and sum based on a condition +1.26
R - Daily to Montly Time Series - Repeated Days -1.37
Converting df into ts object and decompose in 15 minute intervals i... -0.63
Limiting Duplication of Specified Columns -1.62
Calculating moving average with purrr instead sapply +0.37
Fitting multiple logistic growth curves in a dataset 0.00
Loop Through Data with Sequential Time Lags output Linear Regressio... 0.00
How to compress imported column types in R +0.37
problems with installing r packages on windows 10 0.00