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Rating Stats for

talat

Rating
1671.29 (315th)

Reputation
53,631 (1,824th)

Page: 1 ... 5 6 7 8 9 ... 22

Title	Δ
Is there a way to sample groups of data in a grouped data frame (dp...	+0.32
Looping through 2 vectors of different dimension in R	0.00
Combinations by group in R	-0.70
Add a column by row names for the different length	+0.78
Split a data frame column containing a list into multiple columns u...	-0.10
change variable values based on preceding value	-0.64
Multiply values from numeric vector by specific values from data fr...	+1.25
Executing a function with paste to create a new variable in a dataf...	+0.30
Add lines with NA values	+1.23
how to move strings up and down and remove similar ones from them?	+0.53
Sort data frame based on the prefix of the values within the columns	0.00
Sum of matrix elements between diagonals efficiently in R	+0.35
Lag / lead by group in R and dplyr	-2.74
compare to next row group data.frame - count per group	0.00
R search in multiple datatable columns	+1.35
Filtering a dataset after grepl in R?	+1.29
How do I segregate values in one column into different columns?	+1.31
For each value determining if another column contains larger or sma...	+0.15
The Fastest/Simplest Algorithm/Function to Determine Largest of Thr...	+1.31
transposed vector by group within data.table	+1.05
Match two lists of matrices (row-wisely) in R	0.00
Making a character string with column names with zero values	+0.12
update multiple data.table columns elegantly	+1.39
Dataframe split	+1.54
Count number of elements above a certain theshold within sublists i...	0.00
Indexing the elements of a matrix in R	+1.27
Count the number of days from a specific date and data range	+0.35
Group by one column, select row with minimum in one column for ever...	-0.73
R: Producing frequency table by selecting certain rows	+1.27
Find the longest continuous chunk of TRUE in a boolean vector	-0.51
Finding mean of previous set of grouped data with dplyr	+1.42
Expanding a row into multiple rows on splitting string	+0.76
Save self-constructed data in a vector in R	+0.35
Pairwise unique combinations ignoring the direction	+1.49
dplyr summarize date by weekdays	-0.03
inline dplyr in R Markdown	0.00
Find the most frequently occuring words in a text in R	+0.47
R dplyr get name of which.min rowwise	-0.32
Exporting large character vector as CSV-file in R	0.00
Get the indices of the last element of each run in vector	+0.35
Add new column to data.frame through loop in R	+0.35
R Count number of times a level occurs in n rows	+1.10
How can I make this loop run faster in R?	0.00
function to replace different text strings in r	-0.49
R: Put Variables from .GlobalEnv, that meet certain criteria in list	+0.32
Alternative to basic for loop to improve performance	+1.10
How to create a new column (variable) out of the results in existin...	+0.35
Write a value for maximum/minimum between two values	+0.02
dplyr - conditional expansion of intervals	+1.19
R character/string: '...' vs "..."	+2.35