StackRating

An Elo-based rating system for Stack Overflow
Home   |   About   |   Stats and Analysis   |   Get a Badge
Rating Stats for

Yuriy Saraykin

Rating
1447.83 (4,533,207th)
Reputation
51 (1,040,833rd)
Page: 1 2 3 ... 5
Title Δ
Is there a way to remove duplicates based on two columns but keep t... +2.41
Generating matrix with normal distribution using 'sapply',... 0.00
R: How to delete multiple columns in a nested list matching by stri... 0.00
Reshaping in R using data.table from multiple rows +0.58
Regression with for-loop with changing variables -1.14
Split elements, remove and then join them back -0.32
Compute numbers in three lists and generate a big list 0.00
R dataframe: drop duplicates based on certain columns -1.13
Percentile in a data frame using two columns +0.08
Comparing column values with rowSums +0.00
Increase number of rows of dataframe with conditions 0.00
Count length of sequential consequtive values per group in R +1.33
multiply certain columns based on name R dplyr 0.00
Finding similar column values in different dataframes, then creatin... +2.88
R cumulative sum in dynamic data.frame -1.34
str_c over all but one column in tibble (R) -0.29
R Filling vector with predefined values from random position 0.00
Calculate monthly population estimates based on constant growth fac... +2.38
Select only the first two digits of a string of the value that star... +1.45
Joining multiple dataframes by different columns using a function a... 0.00
Subsetting list by values in a column in r +2.54
How to create another table in R to calculate the difference? 0.00
R: calculate rates within grouped values in dplyr +0.58
What is the correct way to use any(), all(), etc., with the dplyr::... -1.34
Summary data by column in R +1.73
change values of several columns based on value in other column wit... -1.08
How can I remove duplicate values by looking at other column values... +0.64
R groupby and calculate special average -1.13
Add range of occurence of each factor in seperate column (data fram... +1.02
Issues with "group_by" and "mutate" -0.49
Use paste command with dplyr +0.47
R - converting some dataframe columns to rows +1.67
Find last of several columns that is not NA (tidyverse) -0.27
Select iteratively and remove value once selected in R +0.81
How to identify columns by pattern and convert it to datetime using... -0.40
Reshaping data by appending rows from different groups to the same... -1.64
Mutate function: Sort a character string and remove duplicate chara... -1.80
Performing a linear model in R of a single response with a single p... 0.00
Matrix multiplication of each row in data frame -0.04
purrr: Hand over column names as parameter list to pmap() -1.24
save a loop while an matriz or a data frame -0.60
conditional matching between variables in dplyr -0.48
Create new columns from string existance +0.35
How to change the name of certain elements for dataframes in a list -1.33
mutate or summarise across rows by variable containing string +0.07
Removing rows with all NA's, from data.frames within a list +0.45
How to combine tables to create one bar plot in ggplot? 0.00
Calculate statistic (e.g sum, mean...) base on columns from another... +2.02
Sorting data set and changing the columns in R 0.00
How to write a loop to run a Mann whitney U test of a data frame? 0.00