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Rating Stats for

A5C1D2H2I1M1N2O1R2T1

Rating
1589.99 (2,305th)
Reputation
158,661 (344th)
Page: 1 2 3 4 5 6 7 ... 61
Title Δ
Multiply different permutations of columns across two dataframes 0.00
Merging dataframes by a vector of dataframe names 0.00
R: Explode string but keep quoted text as a single word 0.00
reshape data to different columns based on value from single column 0.00
From integers to a data.frame (without losing the structure) in R 0.00
re-shape matrix to 3D array in specific order 0.00
stratified sampling with fixed proportions of observation types in R -0.16
Flat table with identity values -0.69
reshape wide to long with indicator vector -1.32
Reshape Dataframe - Change columns and rows +0.34
Using gsub() on a dataframe 0.00
cSplit Coerces Unnecessary NA Row -0.61
Convert delimited string to numeric vector in dataframe +0.63
Using values from a data frame as array indices 0.00
stratified sampling size varies based on group in R 0.00
Melt function with numerical entries in R 0.00
How to filter and perform group operation for each row on already f... 0.00
Convert named vector to list in R -1.42
conditional proportion / relative frequency in R +0.37
Stratified sampling with constraints +1.36
cSplit does not work when a field has embedded the separator -0.44
Split column to multiple fields using R -0.16
Aggregate data frame column into lists based on empty column +0.92
Rename CSV's based on column name 0.00
unique rows in data frame based on if's +1.22
Choose data frames by dynamic names -1.56
How to convert a 3 columns data to a co-existance matrix in R? +0.33
Sequential citation numbering in R: separate numbers by hyphen, if... -2.51
R Multiple Columns by Delimiter in each Column, Match String to Value -1.22
List of lists to matrix -0.64
How to convert a named list of named vectors to a data.frame conven... +0.10
R - Filling in empty variables -0.66
Formatting a df column of vectors while maintaining the structure.... -0.17
Keep a rolling count of appearances of string in a vector in R +1.33
reverse elements in each col of a matrix without reversing col order +1.32
Get the index of the first uppercase letter of a string in R? +0.37
Separating multiple variables using tidyr 0.00
assign first 25 percent of rows as T and others as F from dataframe... +0.95
How to use R object of character vector as column names when splitt... 0.00
Using gather() to gather two (or more) groups of columns into two (... +1.18
in r combine a list of lists into one list -2.83
Find the number of occurrences of strings separated by comma and ou... 0.00
filtering data frame based on column (item_id) value which have all... +1.20
combinations of each string of a column with each string of another... 0.00
Fast way for character matching in R 0.00
Corresponding Vector to TRUE/FALSE Vector in R 0.00
How to convert all non numeric cells in data frame to NA 0.00
How to effectively flatten nested lists and dataframes into a singl... -0.12
Tabulate the data after reducing it using frequency count -2.81
how to extract the column in a dataframe with the values matching t... -2.83