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Rating Stats for

Darren Tsai

Rating
1579.47 (3,058th)

Reputation
2,615 (64,638th)

Page: 1 2 3 4 5 ... 11

Title	Δ
Splitting character object using vector of delimiters	0.00
Append a character to a specific location in a column in a data frame	-0.33
How to run a function through multiple sublists in R?	+1.05
Create an empty matrix with certain dimension	-2.24
How to obtain conditioned results from an R dataframe	-0.96
Break down weekly values into daily values using a profile in r	-2.29
Get rows from a column per group based on a condition	-0.45
How to combine transmute with grep function?	+0.97
replacing specific values in a dataframe in R	0.00
Sample from data frame based on distribution	+0.85
How do I summarize data that is broken into many columns?	+0.56
Number of rows by Group ID conditional	+1.00
How to pivot_longer two groups of columns using regular expression	0.00
Removing duplicates if there is NA in one of the duplicates in R	-1.04
From tags to columns text	0.00
Keep only the text of a label	+0.50
Aggregate and count observations of multiple columns per group R	0.00
Summing the previous 3 entries every 3rd row entry	-0.89
Trying to determine if two ranges of dates overlap using R	0.00
How to group values based on NA vs. alphabet	+1.56
Coalesce columns in df	0.00
Sum of a list of matrices in R	-2.06
R does not identify columns as numeric	0.00
dplyr count unique values in two columns without reshaping long	+1.76
Determine whether any value from vector in R is found in another ve...	+0.86
Conditionally copy contents of one column to another	-0.18
How to re-arrange rows alphabetically by distinct groups despite sh...	0.00
I need to subtract from different baseline value in R	+0.93
How to remove texts after some sentences?	-1.28
How to replace the days in a date object in R?	-0.15
Select a range of rows from every n rows from a data frame	-1.58
Format nested data.frame grouped by ids using tidyverse	+1.56
Using Tidyverse pipeline to count NAs and reorder	+0.40
Cannot identify html node for scraping in rvest	0.00
extracting certain letters from a a unique code in each row in R, w...	-0.26
change values in dataframe according to column name with dplyr?	0.00
Increment variable names in loop	-2.37
Coercing all but two columns from character into numeric	+1.30
Convert sample_n output from tibble to just a variable	+0.40
Tidyverse way to get lm()-residuals using a subset of columns as pr...	+1.96
Splitting values in a column	+1.68
Change NA in a factor	-0.35
Summarize with the latest record for each group	+1.38
Extend a dataframe based on the last known value	-1.12
check variables and group them according to group belonging	-2.59
Use a Loop or Apply to Overwrite Only Certain Values of a Variable...	-1.20
How do I use pivot_longer to go from this dataframe to another? (pl...	0.00
Order a matrix depending on row and column of another in R	+2.01
How to count the number of rows with NA values in specific columns?	+0.58
How to delete rows in a data.frame by a specific condition?	-0.17