StackRating

An Elo-based rating system for Stack Overflow

Home | About | Stats and Analysis | Get a Badge

Rating Stats for

Matt

Rating
1564.77 (4,785th)

Reputation
136 (591,251st)

Page: 1 2

Title	Δ
How to calculate the mean given one condition and multiple values i...	-1.09
R - Match two columns in two dataframes	0.00
R Data.Table Split Numeric Column and Do Operation	+3.21
Row Means based on Column Substring	-2.95
Pass a data.table and a variable into a function	0.00
Lapply function to list of data.tables by reference silently	+1.65
Apply a custom function over levels of a factor in a dataframe	-4.46
How to calculate a (co-)occurrence matrix from a data frame with se...	+3.26
Using match on multiple criteria to generate value in R	-4.31
How to merge data frame based on date between two intervals of time?	+0.45
Insert and populate two columns based on column wise conditions	-0.84
How can I paste values from two tibbles or dataframes together into...	-0.34
R dataframe: Time efficient way to transform data	-0.49
Create new column based on if rows from 2 data frames match	0.00
Add multiple columns with dplyr and fill cells based on condition	+3.24
Different behavior of tidyr::nest on different systems and package...	+3.25
Conditional mutating with regex in dplyr using rowSum	+3.68
Use stargazer(..., order = c(...)) for as.factor(var)	0.00
Merge tables by DateTimeStamp in R	0.00
reshape long dataframe to wide for multiple columns	0.00
Collapsing four data frame columns into two, interleaved columns	+3.84
Pivot_wider / spread instead of value_from or values just 1?	-3.15
Passing unquoted function arguments to i in data.table	0.00
Hide only the word "Previous" from a DT datatable in R	0.00
Get index of data.table column that matches a value	+0.06
recursive function for subset sum problem with floating-point numbers	0.00
Is there a base R function to dynamically order data.frame columns...	-3.19
Subsetting last row from each ID group in a long data set in R	+3.24
How to combine two variables from different data frames in R?	0.00
Usings multiple conditions in select (dplyr)	+3.28
Merge 2 dataframes with all.x = TRUE (except for NA's in x) in R	-0.65
How to restructure dataframe from single column value into repeated...	+4.16
How to compute multiple new columns in a R dataframe with dynamic n...	+3.31
Caret doparallel in Rmarkdown: Missing verbose info when using rend...	+3.66
Expand `NA`s to multiple rows filling with a grouping variable	0.00
How to sum events by date in R	0.00
Recode variable values into strings based on different variable	0.00
ifelse statement to compute if value is greater than its previous v...	0.00
Receiving error: argument of length 0 when reading in separate tabl...	0.00
R: Is there a way to get a a(b-c) notation when I have the values a...	0.00
R how to reshape data as a column variable to become rownames and e...	0.00
use tidyr::fill but with specific values for fill	0.00
Preserve original type `tibble` in nested columns	0.00
How to combine multiple data frame columns in R	0.00
Two data frames comparison, how to add ID from one df to the 2nd on...	-0.72
How to remove dataframes where nrow<n from a list of dataframes?	-2.33
Using Tidyr's pivot_longer_spec for parameters stored in multip...	0.00
How do you convert large list with vectors of different lenght to d...	+3.50
r-plotly: pie chart with values in stead of percentages	0.00
Restructuring and creating a 5 x 5 summary matrix r	0.00