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Rich Scriven

Rating
1662.72 (394th) 		Reputation
79,691 (1,043rd)
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Title Δ
R Create Matrix From an Operation on a "Row" Vector and a... -1.76
Count the number of overlapping substrings within a string -1.31
How to make lists? 0.00
Define vector length globaly in R +0.76
large string vector to data.frame -0.84
Intersecting multiple columns between two data frames -0.72
Coercing a character to a numeric in R 0.00
How to add row percent as new row to dataframe 0.00
How to read user input into the subset command +0.11
How to handle multiple if conditions in a simple way? -0.86
How to creat new matrix out of a matrix in R? 0.00
Regular expression to search and replace a string in a file 0.00
How do I subtract two data frames of unequal length +0.35
Merging specific rows in R +2.14
Find the highest frequency letter in a text 0.00
x-axis label as text not number 0.00
Trouble Extracting Model Summary Statistics +0.54
Visualize data using histogram in R -1.36
Check if the element belongs to a vector and get its indices in R -2.06
Write table output into a single line +0.05
Error feeding value to read.csv: Must be character string -0.48
Vectorizable search of text in R dataframe +0.10
How do you make a function using the if command for a range of valu... +0.53
How can I count the frequency of an answer in R? -0.59
Multiple Plots on 1 page in R +0.03
How do I replace <NA> values with zeros in R? -1.83
Ordering rows in R -0.75
converting a text file into a vector in R +0.65
How to add boxplots to scatterplot with jitter +0.54
How to get the statistics of binary matrix? 0.00
How to check how much two vectors are different? -0.49
How to subtract groups within a data frame? -1.80
Creating zip file from folders in R +0.58
Unstacking a dataframe in R that only has one row for each category -1.81
Error in data frame undefined columns selected -0.48
Calculating cumprod when file contains different stocks +0.55
Random number selection from a data-frame -2.46
R function calculating statistic of variable column name -1.91
How can I change the column names of a chunk of columns? 0.00
Reading multiple files and calculating mean based on user input -0.58
R how to implement if else in apply instead of for loop +0.52
Limit frequency table to one entry per unique ID -0.08
R: string list in ifelse -1.94
How to change certain elements of a vector 0.00
indexing/linking rows to a unique identifier 0.00
Replace numerical values in a data.frame according to a column of v... -0.50
Delete matrix row where rownames() are NA with R 0.00
how to perform t-test on multiple columns of a dataframe +0.01
Combining rows of a list in R -0.39
How to find the percentage of NAs in a data.frame using apply? -0.13