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Rating Stats for

tmfmnk

Rating
1600.31 (1,765th)

Reputation
3,032 (55,783rd)

Page: 1 ... 15 16 17 18 19 ... 25

Title	Δ
Summarize data within multiple groups of a time series	+2.62
Enumerate groups within groups in a data.table	+0.97
spread() where non-unique values are put into a new column	-0.29
combine rows in r, summing values and concatenating characters; com...	+2.63
dplyr filter to get only the values that one of the groups take	+2.17
Efficient way to compare all columns in data table R	-1.39
R: Replacing Strings with their Most Common Variant	-1.60
Cohorts based on first day of usage	+1.84
Sequence with repeating numbers	-0.85
Value matching with NA - missing values - using mutate	-0.56
Remove prefix from some values in a col in dataframe	+2.20
Determine the location(s) in character vector that match maximum nu...	+1.12
for loop to conduct anova test in all dataframes in a list in r	-2.20
How to aggregating data conditional on other criteria	+0.65
subset of list of vector with grep?	-0.59
Convert birthday to age using a specific end date 01/01/1998	0.00
How can I repeat calculations of many single colums and store the o...	-0.67
Separating mixed values and generating new columns in tidyverse	-0.38
Using Unique IDs to Create User Row, R	+1.81
create a group variable in a data frame by a string variable starti...	-0.53
Returning absent values without inducing integer (0)	-0.48
Fill column based on several conditions, with priorities of those c...	-1.77
Renaming columns excluding a certain set of columns	-0.68
Take mean of digits that are run together in one column	-0.40
R update zero values in a data frame using a lookup table using the...	-1.60
Chop off the first letter of every variable name	+0.46
How to filter out all short strings (2 and lower chars) in a corpus?	0.00
Creating new column based on letter in string	0.00
dealing with "missing" times when setting data to xts	-1.26
How to remove duplicated characters from each rows of a column?	-0.61
restructuring a Data.Frame Into multiple rows based on strsplit	-1.61
r subsetting based on a character variable for unique ids	+0.48
ordering data by factor levels	+2.17
How do I add vectors of different lengths?	+1.33
How to aggregate hourly values into 24h-average means without times...	-1.27
Reshape dataframe that has years in column names	+2.19
Counting which products have been bought together	+1.16
Division of 2 row values based on group and condition	+1.30
Calculate the mean difference within and between groups	0.00
How to add secondary summary of previously grouped/summarized data...	+2.25
How to split a dataframe into chunks when a particular column value...	-0.52
Get top_n rows by group on multiple columns	+1.57
How I can use a specific order of rows of my data set?	-0.70
R dplyr - arrange row order dynamically	+2.76
How to add row based on the other rows?	+2.29
How to expand a DF creating rows based on the difference of two dat...	+0.27
How to substitute non-binary (other than 0/1) characters in a numer...	+0.00
Convert character YYYY-MM-00 into date YYYY-MM in R	+1.42
How can I check if a value of a column in a dataframe in r correspo...	+2.32
Subtract month/year to get years	-1.20