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Rating Stats for

Chris Ruehlemann

Rating
1469.21 (4,520,659th)
Reputation
469 (287,607th)
Page: 1 2 3 4 5 ... 11
Title Δ
R- Calculating duration between time and date -1.56
When I remove the first column, row.names are removed too? 0.00
How can I duplicate all column in data frame -0.78
How can I make column names like "X_re" after recoding? 0.00
Remove ,"" and replacing '-' to '.' +2.77
Sorting and counting unknown strings in R +1.92
Grouping column by the first two characters into two groups +0.16
Is there a way to extract the word before AND after a certain strin... 0.00
Text mining in r - Finding most frequently occurring word from a co... +0.02
Regex to remove all quoted numbers in a df column, leaving the rema... +1.83
Is there a way to more efficiently code this range? +1.20
Cleaning tweets, issue with random letters and numbers in <> +0.50
Converting year of birth variable into age variable in R 0.00
Add calculated mean value to vertical line in plot in R 0.00
How can I separate date into year,month and day column? Date column... +0.03
Split a sequence of numbers into groups of 10 digits using R +0.01
Replace patterns separated by delimiter in R -2.02
Create scatterplot for different conditions with points and colors... 0.00
How to separate a column into two columns -1.43
Changing list to a dataframe in R +0.52
Replacement of outliers with median in R 0.00
How to replace values of a subset of columns 0.00
Removing a part of the string starting and ending with regular expr... -2.02
Trying to extract the max value from different groups in a dataframe 0.00
include character and numeric values dataframe +0.47
Convert any date format into mm/dd/yyyy -0.11
How to perform Two-proportion Z test on items in a row of a datafra... 0.00
Transpose and Merge columns in R 0.00
Remove rows if the swap also exist in the data frame in R 0.00
Convert Column names into first row of Data frame in R 0.00
How to create separate column for month,day and year in date column? 0.00
Concatenate columns in R 0.00
Delete rows for matching columns with a conditional in another column 0.00
Cleaning strings in sparklyr using regex 0.00
Sorting a dataframe by a regular expression in its names 0.00
R function to create a new variable in a data table converting YYYY... 0.00
How to read multiple data with changing NA patterns? 0.00
How to count frequency of a multiword expression in Quanteda? 0.00
Perform calculations on row depending on individual cells 0.00
Count the amount of bigrams in sentences in a dataframe 0.00
Changing the number on a specific position in a datetime in R 0.00
Multiply a part of a matrix by a certain number 0.00
Outlier treatment of large dataset 0.00
Replacement of variable structure text with a date 0.00
How to convert a date into month in r platform using dplyr 0.00
Selecting rows where a value in one of a number of columns matches... 0.00
Splitting Text information in a dataframe into single words and det... 0.00
R - Get substring between first occurrence and last occurrence 0.00
How to use regex function properly (regex not functioning properly) 0.00
How do you change dates in a data frame? 0.00