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Rating Stats for

Karthik S

Rating
1497.27 (3,970,767th)

Reputation
1,533 (106,965th)

Page: 1 ... 7 8 9

Title	Δ
How to sum values by groups in sequence	+1.50
Conditional aggregate dependent on multiple columns	0.00
Count combinations of variable levels in R	-2.76
strsplit it by the last "number_"	+1.43
How can I use group_by() to to count the amount of a certain variab...	-3.75
How to remove values from one df based on the second df	+0.43
Add a column of values to a df based on matches to another df	-0.05
as.Date returning number when overriding old date	-3.76
Referencing to the previous value in the same variable, no loop, in R	-3.54
R - How to count number of country of origins based on team id?	-1.08
how to get the day information out of a string	0.00
How to use dplyr to group_by() to colllapse subseries	-1.19
How to iterate over data.frame in R	-1.77
Make every second row in a column NA	-2.25
Sum all columns, by same ID	+4.33
Is there a R function that can assign the same number to same obser...	0.00
sum up column and take it as colnames- dataframe in R	-1.84
How to create dummy variable by subsetting with two conditions	-3.82
Convert unequal length columns into named list in R	-3.23
R: partial merge dataframes by a variable	+4.18
How do I group a new variable based on a variables first letter?	+1.64
Filtering in RStudio using multiple conditions "is not equal t...	0.00
How to calculate a percentage of one variable based on the frequenc...	+4.31
Test specific row value in dplyr	-0.86
Filter age <30 but keep NA	-3.75
summary statistics for a variable based on another variable	0.00
R perform a dataframe join by replicating a feature set by some ID	0.00
Data Wrangling in R with DateTime column and Multiple observations	+4.14
Making long data wide with nested categories	0.00
merge vector 'dates' into a dataframe in R	-1.85
Add column to each data frame within list with function rowSums and...	-1.41
Converting empty values to NULL in R - Handling date column	-3.71
Building an "implicit" filter with dplyr	+0.18
In R I want to add a count variable in dataframe	-3.92
passing particular domain from column	-2.03
How to filter out rows by a set of names you already have?	+0.49
Trouble converting numbers to dates in R	+0.88
Getting dates in R	+0.04
R: Finding annualized average return in R	-0.10
How to add first 5 and last 5 records from a same dataset in a new...	-1.44
Replace value with conditions	0.00
Analogous command to %in% which means no inclusion	0.00
Match Row Values with Column Names using R	-4.07
Extracting certain parts of rows of a data_frame in R?	+4.06
How to remove first 10% and last 10% value of data in R	+0.10
Using replace_na with across in mutate	-1.02