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Rating
1575.13 (3,482nd)

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32,295 (3,688th)

Page: 1 ... 15 16 17 18 19 ... 34

Title	Δ
Calculate percentage in Dataframe according to a condition	-2.03
Keep only values from a string	-0.57
Substring first character from right	+1.03
Select observations in dataframe based on a mask	-0.47
Extract specific information from a list of dataframes	-0.64
How to aggregate multiple columns into one depending on colums valu...	+0.40
Add specific characters to duplicated strings	+0.35
Aggregating over continuous variables	+0.37
replace true false %in%	+0.36
Extract a year number from a string that is surrounded by special c...	-1.07
remove specific duplicate rows based on median	+1.52
Two conditions for split a column	-1.65
System of equations. How to put next to a variable without a consta...	0.00
Spread every other row then unite to append row names in dplyr	+2.00
Data.table regex matching overlapping text by group	0.00
Column (vertical) sum list of list	+1.29
How to sum binary binomials in one command?	0.00
Create a group variable when number of rows is not a multiple of nu...	+2.00
Set consequent non na values to NA	-1.32
Extract item from a list with logical test (min, max)	0.00
How to extract the first item in a list(even if the list is empty)	-0.34
Selecting sub-arrays using vector combination	0.00
Substitute values in all columns of dataframe based in other datafr...	0.00
Exclude one Data frame in list	0.00
String Matching from List of items	0.00
Reorder position of NA's when using group_by	-0.76
Swap NA's with values whilst preserving original value order	-0.97
Replacing values in column that occur less than x times	+0.82
Detect if the first letter of each word is in capital letters	-0.67
Map values to non-overlapping intervals	-1.86
Calculate cumulative sum of vector and matrix by rows up to diagonal	+0.36
How to select the most distant values from the mean of a vector	+0.70
add columns according to the rule	+1.41
Match and extract values for subset of dataframe	-0.16
how to find the number that is most repeated in a window size with...	0.00
compare columns of groups dataframe for equality	0.00
tidyr::gather() %>% mutate() %>% spread() returns NA's un...	+0.35
rename a matrix column which as no initial names with dplyr	-0.64
Replace values for columns in dataframe by external numeric vector	+1.34
Relabel samples in kmean results considering the order of centers	+0.37
cbind two dataframes where weekdays match	+0.36
Filtering a data frame based on multiple columns sharing a name	0.00
Dividing columns of a matrix by elements of a vector	+0.09
Find the common gene from several datasets and sort them	-1.21
How to sum list elements with the same name?	+1.22
Split dataframe into list based on identical consecutive element	+1.43
add a new columns based on the already available data	+0.36
How to update the next row of the current row when a condition is met	+1.76
using adist on two columns of data frame	+0.11
How to use grepl and ifelse to create a new column based on the fir...	-0.41