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1410.66 (4,536,054th) 		Reputation
9,027 (17,178th)
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Title Δ
How to assign factors for each column and calculate rowmeans based... +0.23
Compare two dataframes for changes in variable value in R 0.00
Extract column names with value 1 in binary matrix 0.00
Assign unique ID to equivalent rows in data frame +0.26
R: Subsetting rows based on vector 0.00
Find the row that most frequently contains the largest value in a g... +0.69
Vectorize loop with repeating indices -0.89
Calculating compound return in a row -0.15
Find frequency of vector elements in a matrix +2.64
Filter all rows having all their numbers existing in another matrix 0.00
Function to generate ordered combinations 0.00
Recommended way for variable scoping +0.62
Split a vector into 3 columns based on given intervals +0.12
Sum of digits in a numeric matrix per row -1.68
load and save function in R 0.00
Frequency of values per column in table -0.57
Expand numeric vector elements with constant (natural number) +0.39
Adding a column based on values of other columns -1.38
Get random sample from subset of other dataframe -0.09
Replace initial NA values with zero in a row until non NA column -0.56
Creating a new column using for/nested loop in r -0.35
How do you repeat sampling from a vector of characters until a cert... -0.36
Grouping variables select first row (keep one column), last row (ke... -1.54
Fill in matrix values from data frame in a vectorized manner 0.00
Merge 2 vectors with different lengths into a data frame 0.00
Creating an occurrence matrix for each char from a large number of... +0.28
Nested multiple if-else -0.39
Recursive function is returning error message 0.00
Filling in the missing field for column in data frame in R +1.52
R Function to slice a vector/matrix in a rolling manner -0.04
Efficiently augment a data frame by values found in a matrix -0.36
Sum of subset based on second vector -0.50
determining frequency of multiple variables based on multiple facto... -0.75
Merging two columns of type factor +0.61
Melt a dataframe in R 0.00
Fill in empty values with the last non-empty in vector +0.45
column of unique values between of two other columns +1.50
Column names to values 0.00
Frequency of data points by two variables in R -1.59
The index of second, third,.. min with apply function +2.51
Convert list of vectors to data frame -0.36
Create element-wise product of matrix columns -1.66
R data.table: how to change each preceding 0 into a 1 within a colu... -0.21
Reorder a running count in a vector -0.66
Sample random rows in dataframe with probability +2.75
Generate a sequence of numbers between values of vector -0.27
Column contains unit ($ sign) that need to be replaced 0.00
Count of unique elements of each row in a data frame in R -0.01
Replace Values on condition +0.12
Different types of aggregation in R +0.53