StackRating

An Elo-based rating system for Stack Overflow

Home | About | Stats and Analysis | Get a Badge

Rating Stats for

zack

Rating
1508.60 (81,862nd)

Reputation
3,364 (50,177th)

Page: 1 2 3 4

Title	Δ
geom_smooth not working/showing anymore after adding more data	+2.19
sampling by group in R	0.00
Permutations of 3 elements within 6 positions	-1.02
using dplyr's recode to recode only some numeric values in a co...	0.00
Vector on matched paired id in different rows	-1.49
Fill in missing values in a data.table using the growth rate by cat...	0.00
R rnorm Arguments as character	+2.50
Add new variable in data table using others variables like argument...	0.00
Rolling sum of matrices in list	+4.09
One-liner to find corresponding value in large dataframe r	-1.97
One liner for cartesian of two vectors with colnames set and string...	-0.91
r - arrange values in a dataframe, within a group, based on a varia...	0.00
NSE in tidyverse with select()	0.00
Is there a loop I can use to tidy up this code?	-2.47
How can I use mutate to create a new column based only on a subset...	-3.51
using purr to map strings from dataframes	-3.11
Create DF with number of times two people took breaks together for...	0.00
Dot-and-whisker plots of filtered estimates for multiple regression...	-0.55
Matching Records in R based on Column Difference	+5.57
Summing data frames with different length	-3.84
Saving deeply nested files to specific directories with specific fi...	0.00
Reshape but expand the data in R	+1.56
Slice 2nd half of data frame in R	-2.01
dplyr mutate colnames in pipe function	+0.47
Count in dplyr gives different results	0.00
Setting row names and leaving some columns blank while appending to...	0.00
R - Partially flatten nested lists with dataframes	-0.23
Analyze simulated replicate of an experiment	+4.07
dplyr: group_by & mutate variable can't call mean/sd functi...	+2.98
Execute gsub after first instance of closing character instead of c...	+4.55
Is there a more effective way to combine 24 columns into a single c...	-3.90
R / lubridate: Calculate number of overlapping days between two per...	+4.16
Backfilling previous dates in R	-3.91
R, nested condition for filling cells	+0.08
getting function to work irrespective of whether argument has paren...	0.00
Pulling identifier variable from one data set to another in r	0.00
update column values by looking up value from another table	0.00
Parse a string in each row and expand the results into a tidy dataf...	+4.43
Combining multiple summary statistics in dplyr analysis	0.00
Two by two table with count and percentage in R	+0.38
Mutate_if syntax?	0.00
dplyr mutate by row names	-3.77
Finding all columns with names containing "gender" in a l...	+0.16
How can I take every 24 columns from a data frame and add them to t...	+0.09
How can I generate a fully-formatted Excel document as a final outp...	0.00
dplyr: Using poly function to generate polynomial coefficients	-3.69
Repetitive filtering with multiple conditions without a loop	0.00
Removing a specific number from all lists in a column of lists in R	+4.04
R adding 10min to a Date Time	0.00
Loop in r to run script	+4.18