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tmfmnk

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1600.31 (1,765th) 		Reputation
3,032 (55,783rd)
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Title Δ
Return original data set after top_n -1.06
How to efficiently count matches across a list in R? +1.22
How to filter rows that satisfy condition based on consecutive sequ... +0.42
Merge two tables and keep only duplicated values in R +1.76
How to expand and interpolate grouped data in dataframe with the eq... 0.00
Replace missing for all the categorical variable with 'None' +0.82
How to Extract product dimensions from a string column having dimen... +0.17
Showing measurement units in a tibble 0.00
Find all tied maximum values in a row and return true or false if c... -1.75
Using clusrank by group 0.00
How do you calculate a single Median for multiple columns in a data... +2.23
Sum values from two tables with a condition in R 0.00
How to create a new column based on other columns with if condition... -0.54
Generate a sequence of new rows based on a few columns +2.16
How to replace part of a string in one row with a word from another... -1.92
Get all combinations of some column's values and column names i... +1.12
dummy variable columns based on strings from other columns -0.04
Generate new column in dataframe, counting duplicates by group -1.92
R - Count exact matches in string from list of words, then calculat... 0.00
How to merge the previous and next rows by day +2.09
How to extract first 2 words from a string in R? +0.16
conditionally rename variables with dplyr rename_* +0.23
Split unequally occurring comma-separated strings to columns and fi... +0.64
Removing a pattern in every row in data frame using R -1.93
find first occurrence in two variables in df -0.50
How to assign number to devices that appear on the same day? -1.62
Using filter and logical operation +0.70
Assigning vector elements a value associated with preceding matchin... -0.41
R extracting the frequencies +0.78
I want to count entries in each column of dataframe 0.00
How can I summarize a table in R by converting certain row names to... +2.48
Remove string from multiple columns only if it is at the start of a... +1.71
Find the number of times a unique value is appeared in more than on... +2.55
Row by row computation +1.81
Display how many rows appear by each ID when data is not a panel (R) +0.11
R tibble: Group by column A, keep only distinct values in column B... -1.37
Is there a fast way to convert Roman numerals in the string to Arab... +0.01
How to know the operations made to calculate the Levenshtein distan... +2.69
Counting undirected edges between any two nodes 0.00
Column sum based on conditions 0.00
Create a numerical order of appearance based on character value +2.42
Dplyr filter top and bottom rows by value simultaneously on grouped... +2.11
Gather Columns based on separator +2.16
Removing individuals from cohort study data based on baseline chara... -0.90
How to get consecutive rank for multiple variables +0.70
How to paste together a vector element with the previuos according... -1.05
Index consecutive duplicates in vector -0.64
Creating groups based on running totals against a value +0.96
how to do math operation in data frame and make a new column of its... 0.00
Grouping by sequence and then finding minimum value in a column +0.28