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 ... 6 7 8 9 10 ... 15
Title Δ
Using group by and tidy to run several models and extract results t... 0.00
Replicating a Character String Up to a certain point in R Dataframe +0.04
cumsum of groups in r dataframe excluding the first value -1.37
Unnest a list column directly into several columns -0.58
Dropping columns from data.frame that contain "null" -1.15
r: randomly assigning "1" or "2" in a vector ba... -0.02
Group a row sequence (before & after an event) 0.00
Aggregate with multiple duplicates and calculate their mean +0.04
Unique values for clustered factors 0.00
How to create multiple subsets of data based on a column name witho... 0.00
R: Which is the tidy way to apply a function over various columns o... 0.00
Convert a grouped data frame to transactions for arules -1.39
Arranging the Dataset in R as per Sum value 0.00
Indicator class lower or class higher with ordinal data in R +0.31
Assign random but unique value between two dataframes +2.71
error in tally function in R 0.00
Finding intersected rows in different columns and label them +0.55
selecting values of one dataframe based on partial string in anothe... -1.44
Double for loop with NA in R +0.55
Extracting different parts of string from dataframe +0.55
R: How can I use dplyr to create a lag whose reference value is dyn... 0.00
changing the values in many r variables -0.82
tidyr::spread with X most frequent values (avoid memory issues) -0.03
Combining many columns in R at once +0.01
Find similar groups of numbers across rows R +1.08
Matching a data-set from a certain table in R 0.00
how to get average of each row based on two or several naming +1.26
Merge two tables withe condition R 0.00
linear interpolation in time series in R 0.00
Frequency of each unique combination in data frame +1.71
Reshape data within groups - groups in a single row -1.08
R - Aggregate variables with min function and find index related to... -0.84
R barplot with grouping 0.00
Run chi-square test in all columns for a data_frame using dplyr 0.00
Use result of subquery in conditional mutate 0.00
Transference values in column on the next Date (in R) 0.00
R : How to turn categorical variable into dummies, and collapsing I... +1.26
How to split a column into a column for each value -0.34
How do I add a column that is the proportion of a factor level 0.00
R: Convert contingency table to long data.frame -0.27
Join to pull the minimum date in Table Y that is greater than a dat... +2.38
Choosing all possible combinations for pairing the elements of two... 0.00
How to apply propt.test on my dataset in R? 0.00
Using summarise function to count frequency of words in dataframe +1.21
Kruskal-Wallis test between a list sublists in R -0.43
Multiply values depending on values of certains columns -1.85
Find the common gene from several datasets and sort them -0.20
Multiple groups tests via permutation +0.03
Loop through variables with prop.table in R -0.21
Dynamically create new columns based upon group maximums 0.00