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Rating Stats for

Darren Tsai

Rating
1579.47 (3,058th)

Reputation
2,615 (64,638th)

Page: 1 2 3 4 ... 11

Title	Δ
show all rows in dataframe with 1) none == 1 and at least one other...	-1.05
How to map two dataset A & B under the condition that Month of...	+0.89
Count number of exactly matching words in a string	-1.87
Splitting string in r while first column stays same	-1.90
Calculate cumulative sum (cumsum) floored at zero	-0.43
Converting factor into dates for boxplot in R unsuccessful with &qu...	-0.28
How to transform a list into a tibble, preserving order	-1.92
R Expand frequencies to raw counts	+2.17
Custom sort of strings in R	+1.75
How to remove reference from imported wikipedia table in R?	+2.11
Error in get(as.character(FUN), mode = "function", envir...	0.00
Sum values larger than the current value, by group	+1.67
Create a series of variables with names based on a function argument	-0.22
In R remove list of list based on name	-1.22
Filtering within dplyr group_by so that combination of rows matchin...	-1.24
Mutate Time values into categorical values	-1.09
gsub in R to standardize mixed date format in data frame	-1.06
Row wise count of Zeros' and NA in R for Columns	+0.75
How to swap my list element's name and value in R?	+0.93
What is the best way to tidily append many columns?	0.00
dplyr::if_else changes datetime (POSIXct) values	+1.69
find and delete gaps in date order within different IDs	+1.08
How to divide a data.frame into seversal data.frames according to s...	+1.03
How can I break a row to multiple rows based on interval	+1.79
R: How to split a row in a dataframe into a number of rows, conditi...	-1.31
transform data frame using tidyr	-2.34
Multiply two matrices with different dimensions in R	+1.68
Prevent LaTeX comments from printing	0.00
Compare value to previous n values in dataframe	+0.38
How to extract each year from a time-series data set in R	-1.14
Extract last value from vector in data frame	+0.41
How to create a variable based on the number of unique values in an...	-1.24
Iterate through columns to sum the previous 2 numbers of each row	+1.31
Row wise calculation and write results in column with variable name	+1.66
left_join on a nested list	+0.44
Is it possible to mutate only within selected groups?	+1.78
R condensing dataframe based on logic	-0.44
R assign as dataframe and and to list	-2.52
How do I separate a character column into two columns?	-2.00
Combine two data frames with identical column and rows	0.00
Get function components of function call inside a function	+1.95
How to properly merge a variable by group from another data frame?	+1.68
date is not changing though time cross midnight using as.POSIXct in r	0.00
How to use mutate and ifelse in a loop?	-0.06
Drop a column if all the values are a specific value	-0.07
Combining elements of one column into two columns by group in R	+0.08
Exclude 0's while random number generation using base sample	+0.39
Create a list column with ranges set by existing columns	0.00
Filter data.frame with multiple conditions without writing them out	+0.38
How to select columns containing different text combination from da...	0.00