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Rating Stats for

G. Grothendieck

Rating
1622.82 (1,021st)

Reputation
165,339 (319th)

Page: 1 2 3 4 5 6 ... 105

Title	Δ
How to write custom pipe-friendly functions?	+1.43
Convert list of 100 images into array in R	0.00
Solving an algebraic equation	+0.45
Is there a keyboard shortcut for %*% and %o% operators?	-0.13
Issues with plotting a time series in ggplot, with legends (Stock p...	-0.63
Calcing Rolling Min/Max Values on a time series	-2.07
Remove columns in which factors appear only once in a matrix column...	-1.55
Transpose from long to wide with pair groups in r	0.00
How to pipe purely in base R ('base pipe')?	+2.06
Mutate_at stops when it cannot interpolate a group, tryCatch does n...	-0.39
R Derivatives of an Inverse	0.00
Taking an average of list columns when more than one result exisist	-2.36
Wrapper function with if conditions	0.00
Right syntax for nls() function in R	0.00
Find closest timestamps between two dataframes and merge different...	0.00
dplyr: mutate a factor column with 3 levels to 3 logical columns wi...	+1.73
Aggregation matrices in subgroups	0.00
Apply penalty function to non-linear least square estimation conver...	0.00
Splitting a string with nested parentheses at only the top level wh...	-0.43
Use sqldf inside a function with generic column references	0.00
Conflict in libraries dplyr::lag() and stats::lag()	0.00
Reading in a .csv that contains vectors (c(x,y)) in R	-0.15
Reading special file using read.csv	+1.17
How do I find the starting values for a nonlinear model?	-1.91
How to cut two Posixct sequences using predefined levels	-2.30
calculate auto regressive AR1 model coefficient over a rolling window	0.00
ifelse() used with all() on multiple columns	-2.21
R: expand sequence of binary values from two columns	-1.40
Is there a function in R to define periods of time (within a timese...	-1.65
R: How to fill up missing year values in a data frame	-1.44
filter out rolling mean results with limited data	0.00
How to pass loop results as initial parameters for nlslm model?	0.00
weighted cumsum rolling with another column	+1.11
Using rollapply to compute a week on week percentage change	0.00
How to test for existence of certain column names across numerous C...	+0.36
Removing one value from ts() object in R without changing the class...	+1.23
How can I plot a dataframe in R given in quarterly years?	+1.24
Change color in basic plot function R when working with data of spe...	0.00
Parsing dates in R with weird format	0.00
automatically code binary variables as factors?	+2.01
Predict linear regression with multiple separate groups	+0.35
How to write a distribution of piecewise functions in R?	-1.15
R nlsModel singular gradient matrix at initial parameter estimates...	-2.51
How to create column that indicates number of times that an ID appe...	-0.12
Sort by date in "dbReadtable" (in R)	0.00
Can't Insert dataframe to SQLite table when column names differ...	-1.96
How to in R select rows that partly appear multiple of X times?	0.00
Are regression coefficients same as effect size?	0.00
How to prepare month by month time series data in R from aggregated...	0.00
Convert characters like "84+3" into numeric variables usi...	-0.38