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onyambu

Rating
1564.02 (4,907th) 		Reputation
16,052 (8,712th)
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Title Δ
aggregating columns based on commas -1.45
Non-conformable arguments error in root finding function 0.00
Sequence value in data frame column 0.00
Compare a nested list to a column in a dataframe +2.70
Multiplying two dataframes in R +1.46
Maximums within Portions of a Matrix in R +0.02
R lang: First letter to upper case +0.52
Calculating conditional cumulative time +0.38
R - working with list within a list of data frames -1.63
How to multiply each column by each scalar in R? -1.24
How to test if each value from a vector matches any value from a ve... -2.26
How to join list of dataframes to one dataframe, using the DF / lis... +2.06
How to select value in different rows for each different column in R? -1.23
lapply & sapply on data.frame to test all elements in each colu... -1.49
R: filter rows which has at least one of particular values -1.79
Extracting quantity elements from name in R 0.00
RegEx: Match second occurrence of character set in in quotes -0.64
R remove duplicates based on other columns +0.52
Transpose a summary table +2.05
Chaning dummy variable in r to my desire variables dummy variables, 0.00
R: Collapse multiple boolean columns into single attribute column w... 0.00
How to use a named variable within a function +0.70
How do I estimate parameters of beta distribution with known percen... 0.00
Convert only a part of column into numeric -2.29
Getting net values as a proportion from a dataframe in R (part 2) 0.00
r ifelse condition for the calculation on multiple dataframes 0.00
Partial string matching in R and trim the characters -0.08
Regex optional character preceded by Negative Lookback in R +0.54
How to split the quantile results in 5 different data frames? 0.00
R: converting alphabet grade into factor +0.28
How to remove numbers in vector 1 from numbers in vector 2 +0.26
Data Manipulation and Structuring in R 0.00
Merge two dataframes and create multiple columns in R -0.49
Multiply Columns by Substrings in R -0.02
How do I summarize data into multiple row levels and columns? 0.00
conditional math operations between rows +1.96
multiply values on median by group in R 0.00
R: combine columns based on condition +0.52
Speeding up operation on matrix columns in R -0.12
Subsetting rows in R data.table based on conditional values for mul... -1.24
Compare value in R data frame after certain index -0.28
R - Extract time along with timezone which is part of string +0.25
Undefined columns selected while subsetting df +0.30
R: merging two data frames with common and uncommon elements for no... 0.00
Determine the number of elements that precede a number in two integ... -1.13
Create the new column based on the condition -0.06
R String, return a boolean vector of if or not the character is alp... 0.00
Nested pipe chain in dplyr / left_join +0.52
Display cumulative sum by year in R +0.51
dplyr to summarize by groups while allocating hours across dates an... 0.00