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onyambu

Rating
1564.02 (4,907th)
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16,052 (8,712th)
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Title Δ
How to create a variable with multiple conditions in two different... +2.45
Reverse numbers in a cell divided by a decimal point +0.39
Taking a subset of equal value and other value of column +0.10
Rank order in r +0.56
Updating one df based on data in another df 0.00
Convert TimeZone format in R 0.00
Reshape data within groups - groups in a single row +0.63
How to do column multiplication with NAs in dataframe? 0.00
r select multiple rows for variables based on maximum and minimum v... -1.45
R regex get year out of vector +0.26
More efficient than nested loop in R -0.54
R extract character part of strings +1.12
How to replace na in R based on values in two columns -0.19
Nested For Loops w/ If-Else -0.29
Reshaping data set with a different format in R 0.00
Extracting numbers from a column "attached" to characters -0.29
Filter a list that contain ALL of multiple partial strings in R -0.52
Text manipulation using lapply() +2.63
Loop through url's with R -1.32
create a new column based on subtraction performed on another column -1.09
Latex expression replacement in R -0.42
obtaining max value in each column and printing associated column a... +0.29
How can I choose 3 closest values out of 5 in a vector? +0.06
Position of a pattern in a character list in R +0.56
compare the freq with the threshold and store characters of corresp... +1.84
R max of multiple categories -0.97
Creating a new column of consecutive token (like n-gram) in R +1.86
R - Extract values depending on multiple conditions -0.46
creating new variable based on other variables from different colum... +0.41
Extract Specific Value from String R -1.82
How do i expand vector type values in a column +0.20
Using gsub to replace a period in R with blank but maintain other d... +0.30
Joining data frames on unique id and conditional dates -1.31
Remove an element of a list by name -1.03
R Regex to identify and replace characters between multiple dots +0.89
R create new variable from several columns if one satisfies condition -1.33
Regex with Positive lookhead still splits string in wrong place usi... +1.20
Parsing text in a single column -0.60
Text extract and adding to new column -1.34
create an other data if elements are same +0.35
Split a data frame column containing multiple phone numbers +0.56
Conditionally remove row with multiple reference +0.07
Simplify test where one of pregiven list element values is not miss... +0.07
r search vector of srings using regular expression 0.00
Using tidyr package in R, are we able to filter and extract links f... -0.43
Extract city names from large text with R +1.05
R generate bins from a data frame respecting blanks 0.00
How to create a new dataframe with values based on existing data fr... +0.62
replace numeric value by string value -0.18
Using grep to filter urls +1.20