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Rich Scriven

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1662.72 (394th) 		Reputation
79,691 (1,043rd)
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Title Δ
How to extract the non-empty elements of list in R? +1.17
Error $ operator is invalid for atomic vectors in making histogram R +0.30
Loop function and add columns to dataframe in R +0.86
Subset columns based on sum of rows 0.00
Find the frequency of a set of values in multiple data frames in r +0.06
remove blanks from strsplit in R -0.23
Subset data based on partial match of column names +1.56
Remove parentheses and text within from strings in R -1.06
need help extracting multiple p-values from aov +0.05
r how to get total count of repeated values -0.38
R - using a for loop to modify a column in a data frame (and using... -1.76
is dash a special character in R regex? -1.18
create new matrix with new dimension and omitting NA values -1.13
Parsing Delimited Data In a DataFrame Into Separate Columns in R +0.35
unexpected ddply() output. Not grouping +0.57
trouble writing "\" character using cat() in R 0.00
Split a string vector with ' [ ] ' in R +1.52
subsetting a large txt file before reading it into the variable in R 0.00
which() function for lists in R -1.46
R: Sort data by number of NA's in each line -1.29
How do I turn the rows of my data.frame into columns? -0.92
How to transform a list (strsplit output) into logical data frame (... 0.00
R programming: which(colnames(df) == "thecolumnname") is... 0.00
How to add >-sign to expression in R? -1.24
How to sum up all rows except the 1st which is a factor 0.00
R For Loop Not Working +0.37
How to do basic row name mapping of matrix in R? +0.05
using which command in R to copy subset of an array 0.00
split strings on first and last commas -1.67
Print all the levels of variable with the class factor +0.57
Plot many csv files in one window +0.30
Why is.vector on a data-frame doesn't return TRUE? -1.40
Transferring factor properties between two data frames +0.55
How to edit colnames in R? -0.64
Get variables in error messages? +0.72
Reading large uncleaned data efficiently into R -0.41
Correct way to handle dataset dependencies in package development? 0.00
Filtering data.frame values -1.80
Generate a list of functions in R -0.31
Load csv file and add values every 10 lines +1.36
Why are my data.frame columns lists? +0.17
why read.csv breaks lines longer than the first line into multiple... -1.85
Reuse an object created in a function in R -1.37
Change printed variable names for summary() +0.37
Pass data frame to function, preserving the original column attribu... 0.00
Arrange data frame reversed order +1.08
Raster calc function - issue with NA data +0.04
Setting an object to itself -0.57
R - partial string matching for new variable 0.00
Floor values in a dataframe in R +0.54