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Rating
1575.13 (3,482nd)

Reputation
32,295 (3,688th)

Page: 1 ... 16 17 18 19 20 ... 34

Title	Δ
adding new rows in a loop with rbind.fill	0.00
Check through the use of a list if a term exist	-2.34
How to extract a string between a symbol and a space?	-2.12
Find a row in a dataframe using regex	+2.16
Calculation using the date function	+1.83
Which elements contain 1 in a list	0.00
Add spaces into a list of words	0.00
Indices of matching of rows between matrices	+1.30
Generate column based if other columns are equal	-0.13
Find consecutive zeroes in a row	+0.39
find columns present in vector and replace values that equal 1	+0.92
Combine dataframes with "one column name in common with differ...	-0.99
Calculate date/time difference, return y:m:d h:m:s	-0.13
Subsetting column and select next n rows based on value in the same...	0.00
n number of column wise subtraction	+0.34
nullify columns where all values are the same	+0.30
Removing rows with a rule from another column	0.00
Create new row with identifier and NA on outcome if missing	+1.00
Does tidytext::unnest_tokens works with spanish characters?	+0.21
Is there are way to get rowIDs of first occurrences of value from c...	-0.52
How to add value to column using dplyr lag() based on prior row val...	-0.34
Igraph - Query if vertexes contained in graph	0.00
Find sub-groups associate to a value and count consecutives sub-gro...	+1.67
add rows to data.frame that are calculation from existing rows	+0.37
Modification of a Vector based on elements sequence	+0.37
Create frequency table per group	-0.11
How to convert factor data field to time field	+0.37
Match substring of two vectors and create a new vector combining them	+0.93
Order a space matrix by index	-2.38
Create new column to identify the first value >0 across differen...	-1.90
How to expand a vector of integers into consecutive integers in eac...	+0.35
conditional deletion of rows, based on group and specified text	-0.97
Impute Intermediate Missing Values	-1.88
change column type based on condition of variables	+1.63
Adding rows for missing year by group	+1.67
coerce list with uneven matrices into tibble	-1.43
Replacing the value in between vectors when there is a defined diff...	-0.13
function to subset data supplying subset argument as text string	-0.12
Column `project` must be a 1d atomic vector or a list	0.00
Convert Excel numeric to date	+0.83
Group data.frame by column and select number of rows based on numer...	+0.41
Arima and HoltWinters for all variables in dataset	0.00
Compare variable names with String to compute new variable	+1.00
Group by and Count using specified columns in list	+1.20
aggregation of column over list of grouping variables	-0.47
Calculate mean of calculated values	+1.64
Modify regex to exclude characters that occur at beginning	+2.78
Count number of occurrences of column A where column B is unique	+0.36
Parse text with separator depending on its structure	-2.55
Regex operator to remove multiple strings	-0.53