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Rating Stats for

tmfmnk

Rating
1600.31 (1,765th)

Reputation
3,032 (55,783rd)

Page: 1 ... 13 14 15 16 17 ... 25

Title	Δ
data.table: How to indicate first occurrence of unique column value...	0.00
Fast way to summarize a data frame across columns	+1.01
Swapping First Name with Last Name and Vice Versa in R	-0.21
r calculate frequencies for all factor levels by subgroup for sever...	0.00
Sum subset of a variable for tidy data r	-2.18
How can I filter a dataframe with undetermined number of columns us...	+1.87
tm_map and stopwords failed to remove unwanted words from the corpu...	0.00
Match date and category then replace value in r	+1.99
Convert wide to long in two variables	-0.20
Counting occurences with missing values	+0.44
Add 1 to value as rank increases	0.00
duplicate row based if two fields cross years	+2.14
How to assign rowsums of a dataframe in R along a column in the sam...	+0.18
Identify if x columns have positive/negative/different values using...	+1.15
How do I replace NA's in dataframe rows where rows is not all N...	-0.52
changing (semi)long format to wide in R	+1.71
R - counting occurences and multiply by rank	-0.50
How to duplicate last row by group (ID)?	+0.68
Keep empty groups when grouping with data.table in R	+1.90
slicing and replacing a number in R	+0.05
Compare Two Columns To Find Unique Row Keys	0.00
custom nested ordering in data.table	0.00
Replace NA values in a dataframe -- in place -- from a different da...	0.00
Filter a dataframe by keeping row dates of three days in a row pref...	+1.69
Splitting a data.table column based on a regular expression	+0.91
Iterate over column names and separate fields recursively with dplyr	-0.63
How to apply ifelse statement in mutate_if	+2.00
Generate unique dyad identifiers for unorder pairs	+0.15
Split and substring a list of strings	+1.69
Omit space between selected variables	+2.20
Find index position in nested lists for match	+1.81
R aggregate - naming the resulting columns	-0.03
How to find the number of times row elements switch from negative t...	-0.64
Creating new column based on string values from another column in r	-0.50
I have a dataframe of words and I would like to filter out rows tha...	+0.98
Parse and Evaluate Column of String Expressions in R?	+1.35
sort tibble rows by descending count of NAs	0.00
How to filter out NULL elements of tibble's list column	+0.48
How to count the number of times an element of a data frame appears...	-0.94
data.frame row logical subsetting based on string prefix	+1.01
Fill in an integer range by group in a column	+0.43
Flag an entire group if a single row meets a condition using data.t...	0.00
Choosing a single row based on multiple criteria	+1.70
How to speed up the proceeds of grepl function?	0.00
Concatenate/paste together multiple columns in a dataframe	+1.01
How do you exclude values when creating a string when setting up in...	-1.74
Sort each row of character strings alphabetically in R	+2.26
Grouping globs of data incrementally	-0.31
R dplyr to Conditionally Aggregate Based on Group and Column	-0.02
Sum/count between two dates in R	-1.99