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Rating Stats for

Chris Ruehlemann

Rating
1469.21 (4,520,659th) 		Reputation
469 (287,607th)
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Title Δ
How to write regex to extract number before some word appears +0.00
How to remove columns/rows having empty value? 0.00
How to remove Na values from dataset consist of 90% of na in data f... 0.00
Find a Pattern across Multiple lines with R -0.51
How to find the most frequent categories? -1.68
correlation of one variable to all the other in R and p value +0.26
Issue while extracting sub-strings with or without intervening spac... -0.74
How to grab some character after "-"? +0.56
Separate numeric and character data from a column in to two columns -0.34
Split data frame column by number of characters specified in anothe... -0.18
function to extract first 2 digits of 5 digits numbers within a dat... -0.46
Move characters from beginning of column name to end of column name +0.22
Partial match strings to drop df columns in R 0.00
How to plot a density function of two variables? +0.21
Delete some characters from a dataframe in R -0.03
How do I extract certain items from unstructured text? +2.07
How to extract a subset based on value by grepl +1.22
Adding new column with conditional values using if-else [R] 0.00
Create a type column in dataframe +0.50
Flag in new column in text equals Yes in one of multiple columns +0.50
Remove everything after any digit in a pattern -1.91
removing gibberish from sentences 0.00
Combine two columns into a third column as a list in R 0.00
remove NA's with complete.cases, undefined columns error despit... +0.49
Combine multiple rows to a single cell for a dataframe -0.00
Replace values in one column based on another dataframe in R +2.04
Split character string into three columns when number of pieces dif... +0.20
Fuction to return how many times name is told exact n in R +0.00
Creating a heatmap with 2 different grades of colour in R 0.00
How to find the number of values that are not the same between two... -0.79
R: How can I homogenise people's names in a data frame? 0.00
derive additional column based on existing column -0.79
group 2 variables and then delimit the strings +0.88
Extract info from filename +0.51
Group same value and concat the value in another column in R -0.75
regex issue with negate -1.61
Find the position of a string sequence in other vector -0.23
Random selection of rows but with a constraint +2.13
How to calculate the total amount depend on the date in r? +0.29
Separate rows with based on id -0.59
How to split characters with quotation marks as its condition? +0.49
Add new column of rows frequency in R -1.60
how to make new column with if and else condition +0.16
How to count multiple text values in a column in R? +1.27
Calculating word frequency for multi-words in R? 0.00
How can I search and condense repetitive rows in a data frame in R? +0.51
How to add column to a table in R -0.75
extract the first number after a specific word in a text column 0.00
Replace value with the mean based on two classes +0.43
count if a word match both columns at once -1.01