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Rating Stats for

Jilber Urbina

Rating
1570.53 (3,984th)
Reputation
44,632 (2,375th)
Page: 1 2 3 4 5 6 7 ... 21
Title Δ
R Divide all rows of a dataframe column by a number 0.00
How do I separate every character in a string in a vector into a co... -1.40
How to I make a 0,1 Matrix with a specified number of 1s in R +0.31
R dataframe to "dictionary" avoiding list of factors -2.08
R - Reorganize a Dataframe into multiple columns based on a value o... +1.06
How to open a series of files with the same path and plot them +1.14
Identify matching strings in column and create new column with numb... -2.57
Extract vector elements that appear in a data frame column? +1.16
Create a new column for set of values by multiple conditions 0.00
REGEX: capturing just "abc-def-ghi" in the string "u... +0.23
Sum rows by interval Dataframe +0.38
Assigning new strings with conditional match +0.97
Separate data from 1 column into 2 in r -2.04
How to extract the results of R's strsplit() -0.02
R - Extract portions of matching and non matching strings +1.77
how to create a routine in R for 4 tables with same name changing j... +1.74
Changing Column names of multiple data frames using a for loop with... 0.00
Missing values in R -0.12
How to find the value of a column in R w.r.t maximum values in diff... -0.61
apply with dynamic value +0.39
How to replace one character in every row of a column +0.46
Difference by month (dplyr, R) -0.24
Averaging selected years for every country +0.40
How to sort a vector based on a list in R +1.04
Function mapped to reduce function to concatenate vectors together 0.00
Separate ten random training and testing data set +1.42
In R, how to remove everything before the last slash -0.29
Transforming a data frame in R 0.00
Sum of values greater than or equal too for each element in grouped... -0.34
How to filter out data that does not match in one category involvin... -0.12
How to grep all strings between two strings in a vector 0.00
Adding Diagonals of a matrix using R +2.12
Keep text between 2nd dash and first flash in R +0.25
Extract values from a dataframe based on a range of values from ano... -0.25
R: long to wide with sequential matching pairs 0.00
How to subtract data frame column from another data frame column if... -0.22
How to avoid displaying plot Ecdf Hmisc? 0.00
Use apply to replace multiple values in a dataframe -1.46
Convert time object to categorical (morning, afternoon, evening, ni... -1.30
Extract numbers from html tags in R -0.53
How to pick a value in a column based on row number within a pipeline -0.37
how to avoid a loop or sapply to speed up a computation -0.36
Faster way to parse through a data frame in R to find frequency of... +0.15
Compare dates from different data.frame 0.00
Return number of columns of a certain data type in a matrix 0.00
Separate values from characters in R string -0.66
Sort variable according to multiple regex substrings -1.81
gsub with "|" character in R +0.41
R: Storing matrix values to another matrix 0.00
Correlation with sliding window -1.95