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thelatemail

Rating
1597.87 (1,873rd)
Reputation
70,009 (1,231st)
Page: 1 ... 7 8 9 10 11 ... 35
Title Δ
Alternative to Nested If Else Statements +0.35
Fixing Date Column in Data Frame +1.92
How to group and extract rows with condition -0.12
assign value to a variable rather than using if statement +0.37
Create column with a certain condition in R -2.74
getting the current time at specific timezone -0.66
R: Convert lists into data.frame or matrix +0.62
Replace same text with multiple strings in R +1.43
Identifying where value changes in R data.frame column +0.75
sapply function(x) where x is subsetted argument +1.58
Placing an x axis on top of a bar plot with negative y values 0.00
How to subset the string by escaping some characters -0.80
Subset data frame to include only levels of one factor that have va... -0.64
Optimize Apply() While() in R 0.00
r - dedupe the rows with value in dataframe -0.00
Convert numeric time format to POSIXlt 0.00
More efficient na.aggregate for grouped by maximum in R 0.00
reshaping k columns to 2 columns representing sequential pairs of t... -1.66
Creating multiple dataframes out of one based on string search in R +0.36
Looking for more efficient way to perform this calculation 0.00
R - How to store custom objects in a matrix (or similar structure)? -0.62
move unique variables in sub data sets in r -0.70
R - split data frame without removing NA values +0.33
Getting weeks from timestamp which spans more than a year in R 0.00
In R, I would like to replace numeric values in a list for characte... -1.77
Conditionally change values in a data frame to their column name -0.09
Add a column based on the values of other two columns in the same d... +0.82
Filtering data in a data frame -0.19
Converting for-loop into -apply function where input is a dataframe... 0.00
Efficient Way to Vectorize a Function over each Row of a Data-Frame +0.33
Sequential filtering using data.table in R +2.01
R: Conditionally replacing values based on column pre-fixes and suf... +1.78
How to extract certain rows in R without running through the whole... +1.42
R vector creation from data +1.44
convert two columns text document to single line for text mining -2.06
What are elegant ways of in-order splicing things (vectors and data... +0.36
Create a -1, 0, 1 matrix from two data frames +1.69
Filter all days between a time range in R +1.50
replace string with a random character from a selection +1.38
Why set.seed() affect sample() in R 0.00
average elements of sublists in a nested list in R +1.08
Convert a character variable to a list of list +1.85
Duplicate rows in R that satisfy condition +0.92
How to construct the date from year and day of the year +0.90
How does the glm() function in R treat a date variable? 0.00
Subset dataframe based on POSIXct date and time greater than dateti... 0.00
transforming data in R -1.00
How to create a new variable conditional on neighboring ID position... 0.00
Recoding multiple variables in R +0.13
Multiplying unsymmetrical data frames in R +1.38