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Rating Stats for

G. Grothendieck

Rating
1622.82 (1,021st)

Reputation
165,339 (319th)

Page: 1 ... 20 21 22 23 24 ... 105

Title	Δ
How do I merge 2 zoo/data.frame objects on closest date?	+0.32
Column length error when using lag and group_by	0.00
How can I calculate average hour of an event?	+0.32
Custom x-scale doesn't reflect the month of the date	0.00
Slope of time series (xts) object over rolling window	0.00
converting a matrix of NAs to 0s and continous variables to 1s in a...	+0.31
how to calculate a new column after grouping with dplyr	0.00
as.Date returns NA if applied to a list	0.00
rollapply how to "ignore" certain observations and use va...	-0.57
Calling functions in parent object (i.e. list)	-0.36
How can I split non consecutive numbers in different lists	-2.75
Read specific (non-consecutive) rows from csv	-0.04
Multiple joins in sqldf, including a full join	0.00
Coding a simple loop for a sliding window	+0.31
Assign a variable in R using another variable	0.00
Use unique pairs of column values to generate dyad identifiers in t...	+1.38
Subset a dataframe using start and stop points from another datafra...	+0.46
Preserving times Class with sqldf	0.00
Take difference between first and last observations in a row, where...	+0.94
statistical formula for scale function in R	-2.65
Filling NA values for all obs within the same group	-0.25
Converting a factor "MM/YY" into a Date YYYY-MM-DD in R	0.00
How to combine member of list vector within a list	+0.39
How do I eliminate n-consecutive values from a vector or a list?	+1.42
plot. zoo "invalid 'ylim' value"	0.00
Sum many rows with some of them have NA in all needed columns	0.00
Regular expression in R extracts the part between two matching stri...	-1.84
min(date) in sqldf in R is not converting into date format	-0.86
Comma-separated file with multiple commas within cell	+0.25
seq vector of dates has type double but displayed as character	0.00
Vectorised way to calculate mean of left and right neighbours in a...	-0.93
How to collect volume per year for references type using json format?	0.00
Using a variable to point to a vector	0.00
How to clearly visualise counts of multiple categories that sum to...	+1.80
how to rearrange a column's elements in R?	0.00
Coding a multiline legend with expression containing a comma	0.00
"Could someone please define "sweep" without using t...	-0.70
Subset a comma-delimited string from a list	+0.85
how to perform sum and count on dataframe in R	+1.00
How to apply a function to every consecutive n elements in a vector	-0.17
Trying to figure out regular expression in R sub() function	0.00
R dataframe - adding new column with starting date of year quarter	-2.90
Copy column 0 (date column) in R after importing stock data from ya...	+1.60
What is the meaning of the "Residual standard error" in s...	0.00
How to gsub a word for its second and later occurrence R	-2.60
Sort each row of character strings alphabetically in R	-1.77
R Metaprogramming: return function body with arguments values fille...	+1.70
Do R modeling packages treat character variables the same as unorde...	-0.18
How to code elementary symmetric polynomials in R	+1.26
Add column with variable column name to dataframes in a list	-0.39