StackRating

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

B. Christian Kamgang

Rating
1497.17 (3,978,635th) 		Reputation
11 (2,058,153rd)
Page: 1 2
Title Δ
Return factor level from a function, not an integer in R +2.92
Pivot longer: Multiple rows to columns in R -0.18
How to assign values based on another data frame with different num... +1.07
R multiply unequal dataframes based on specific column values -2.44
Calculation groups with specific columns in r +4.44
Re-arrange data so a single cell is header +5.12
Add line (dplyr) +2.06
is there a way in R to fill missing groups absent of observations? -3.08
R: generate a new column based on groups and conditions +4.48
R row-wise sort on specific columns -3.52
Correlation Matrix Between Two Dataframes in R 0.00
keep most recent observations when there are duplicates in R -3.32
Splitting a data frame based on character string -2.17
Querying an specific row of a group in R to create a new column -3.20
split a data frame and map over lists +0.95
Accessing .SD attributes within lapply statement -4.11
Filtering data based on a condition -2.88
Extend Tibble by Row -0.95
reduce grouped data frame by intersecting values in each group +4.17
How to remove chunks of text *with different length* from different... +4.22
Find whether event's timestamp is within a time interval +3.14
Adding actual date sequentially by iterating for each week -1.11
How to create column totaling the number of instances of a binary v... -1.43
Extracting minutes from a column(experiment_time) of DateTime in th... -0.03
R: Create frequency table with positive test results +3.85
How to fast search inside a large data.table (57M obs)? +5.53
Concatenate pairs of variables with same suffix -3.43
Need moving average function to only consider previous observations -1.73