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tmfmnk

Rating
1600.31 (1,765th)
Reputation
3,032 (55,783rd)
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Title Δ
How to create another columns by selecting only the even rows of th... -0.94
How to use column indices to collect values from columns in R +0.26
Using which() to filter out columns from a dataset +0.59
bind tables of different length -1.08
Combining multiple column/ stacking multiple columns -2.05
R: Count number of days before specific date by ID +1.69
Looking for a dplyr function to apply a filter conditionally -1.77
Sample from different data.frame -2.12
dplyr::mutate_at iterate through columns in function -1.79
Counting groups in R(dplyr package) based on 2 statements +2.23
dplyr mutate: pass list of variables to create multiple new variables +1.40
Replace NA with group value in loop across multiple columns +2.11
Classifying a sentence by the maximum number of classes contained i... -1.74
Subset on conditions of two categorical columns in r -1.30
How to sort a dataframe in R by one variable while grouping for oth... +0.10
Unlist a list without losing NULL's +0.21
R : Linear regressions (more than 1) on a single dataframe. Results... 0.00
Non duplicate remove subsetting -0.41
Convert double vector to single comma separated vector +2.03
In R: How to coerce a list of vectors with unequal length to a data... +0.11
How to convert this wide data frame to this long data frame? -1.95
How to remove factor levels from filtered dataframe 'memory' 0.00
Select rows with all or less than n number NAs in specific column i... -1.98
Filter data frame columns based on list values -0.95
Tidier reshape for list of data.frames (n x 2 data.frames) to singl... +0.04
cumsum() from last entry and moving backward -0.61
R - for each observation in a column, find the closest one in anoth... -1.00
Using map to pluck from nested list 0.00
Using `dplyr` or `purrr` to get means of multiple columns that shar... +0.93
R collapse rows by group with non-missing values when values are ch... +2.27
Sum in data.table grouping with condition -0.80
Multiple a nested list cloumn by a value and then adding across the... +1.20
Find number of combinations +0.37
Filling row elements with column heading given certain criteria in R +1.61
How to remove last row in each group if it is larger in value than... -1.89
row_number() from dplyr: An example with vector 0.00
tidyverse : consecutive appearance of zeros +0.42
Mapping str_detect over a list of strings to detect a second list o... +0.98
R Add String To Values But Not Last One +1.33
Row Means based on Column Substring -1.51
Extract Values From Specific Rows/Cols and add to another -0.06
Recode multiple missing values +0.03
How can I change values froma vector with a previous condition? +0.25
select if a number is contained between a range +1.64
Use tidyselect select helpers in functions that do not implement them 0.00
Can I list the unique values for one column while grouping by anoth... -2.00
how to define an indicator with respect of 4 columns? +2.04
R: How to sum across multiple columns with varying window size? -2.33
Join two columns into one in a SpatialDataFrame, but omitting NAs I... +1.26
Is there any way to delete the rows of data which don't have al... +2.06