StackRating

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

AntoniosK

Rating
1558.63 (5,867th)
Reputation
12,676 (11,512th)
Page: 1 ... 10 11 12 13 14 15
Title Δ
aggregate with empty factor but keep row +1.62
mix `stringsAsFactors` in dataframe +0.57
R rearrange data -1.69
Running a correlation for 300 users and subsetting based on signifi... 0.00
Subset data with time window and equal / different column entries 0.00
advice on Usage of dplyr:: do vs purrr: map, tidy::nest, for predic... 0.00
max value for a year +0.56
Access elements in summary() in R -0.44
Dealing with duplicated data, reassign a new value 0.00
Mapping a specific column of values to the scale color of vertexs i... 0.00
Visualize a social network to show how often a user is mentioned in R 0.00
How to create a count column for each category in R 0.00
Calculate the average of the messages for the new users in R? +0.07
Lm across many columns in a dataframe in R -0.29
Detect impossible data entry errors from repeated measures in data... +0.08
Multiway frequency Table in R -0.32
Selecting random portions of a dataframe +0.56
Excluding unique dates -0.36
Automatically performing multiple within-subject ANOVA in R 0.00
How do I store lm object in a data frame in R +2.08
R: Get number of same individuals for different groups -0.95
Get character values instead of factor levels 0.00
Calculating R combinations from CSV file 0.00
Create column identifying minimum character from within a group and... -0.23
How to calculate daily retention rate? 0.00
R: find a range of values and replace them as NA in a cvs file +0.55
R Ifelse statement not working due to NAs 0.00
How to specify lm model matrix +2.35
Dplyr conditional windowing +1.77
collapse dataframe based on rows and calculate weighted mean r +0.40
Split and rearrange a data frame in list using R +0.55
R- combine time data into hourly and count number of entries 0.00
How to run a regression on different variable categories in R? +0.56
Split dataframe by sequence of times 0.00
How to make a code which finds the largest k cells and their locati... -0.81
Alternative to for() loop to compare very large data frame column e... -1.81
To compare exit-rates for two groups 0.00
Running a loop to plot sub-datasets in R +0.02
Rearranging data frame in R with summarizing values 0.00
Get all the indices of unique elements +0.41
Y-scale issue in ggplot 0.00
R: Is there a clean way to obtain a single Data Frame of samples ob... +0.55
R - fill blank values based on id -0.04
R - How to conditionally set multiple values in a vector based on a... -0.51
Combine vectors and tables in R +0.52
Number of total observations per line on density plot +0.48
R - setting a value based on a function applied to other values in... -0.29
How to assign a value depending on two conditions including column... 0.00
Creating a tree graph in igraph -0.40
Fisher's and Pearson's test for indepedence 0.00