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Rating Stats for

akrun

Rating
1527.10 (21,478th)

Reputation
833,306 (14th)

Page: 1 ... 542 543 544 545 546 ... 562

Title	Δ
Merging two dataframes in R with date	0.00
In R, how do I average rows of a data frame over groups without ren...	+0.25
Run loop to build co-occurrence matrix	0.00
Merging 100 files on the basis of a column in R	+0.37
Unlist and combine elements into data frame r	+0.05
Exact pattern match in unstructered dataset (text or CSV file)	+0.03
How to return the positions of first occurrence for (different) dup...	-1.51
R merging data frames containing dates and times	0.00
R function for matrix differentatin	0.00
R date sequence - first n days from each month	0.00
Replace NA-s with mean values	0.00
how to change value of matrix with for loop using another matrix in...	0.00
Add column to data table whose value is a function of all existing...	0.00
Converting datetime to counts?	-0.01
How to separate data based on different variable values	0.00
mapply over different columns of multiple data	0.00
Select rows where two values conform to a certain threshold	+0.47
Extracting dates from filenames and adding them to data.frame	0.00
How to extract values from list at specific position	-0.06
Using a separate dataframe to generate error bars in ggplot	0.00
Identify difference in 2 data frame with missing values	-1.98
removing rows from a matrix	0.00
Count matching instances between two data frames	+0.53
grouping by one column in R	-0.38
Find second largest number for a group in dplyr	+1.68
Count unique values that appear more than X times	0.00
Conditional calculating SUM in column using data.table	0.00
Split a character vector based on number of words in each element	+0.19
How to exclude a column when applying the sweep function to a data...	0.00
Replace column values in a dataframe according to a condition	0.00
Read 72 files at once and grep data from all of them	0.00
Extract portion of string after or before given number of periods	+1.72
How to combine two data frames using dplyr or other packages?	+2.29
Boolean operators within apply function giving wrong output	0.00
Assign values to a variable, conditional on a factor variable	+0.26
Repeating or looping an argument	-0.02
Delete columns from a square matrix that sum to zero along with cor...	+0.47
Analyzing permutations in R	-0.34
Split keep repeated delimiter	+3.06
R special reshape of data tables	+0.50
Convert types of certain columns of data frames in a list	0.00
New variable in dataframe	+0.47
Getting information from rows above and below	0.00
Drop empty combinations with "by" in R	-1.59
Assigning variables from elements of a data frame	0.00
List operations on variables containing string	0.00
Separate "Name" into "FirstName" and "Last...	+2.04
In R: Add rows with data of previous row to data frame	-0.25
R How do I add a dataframe column whose values are derived from oth...	0.00
Data Manipulation in R, Stock Data Transformation	+0.62