StackRating

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

Rui Barradas

Rating
1524.32 (24,788th)
Reputation
18,865 (7,330th)
Page: 1 ... 30 31 32 33 34 ... 43
Title Δ
swap cells in a dataframe to minimize the effect to the sum of the... 0.00
Sort and Return Top 5 Rows with Greatest Values -0.89
assign grouping variable based on dataframe rows present R +0.57
R: date/time YYYY-MM-DDThh:mm:ss.SSSZ formate 0.00
Random row selection based on a column value and probability +0.13
Paste values in a data frame based on duplicated values in other co... -1.23
Counting the number of sex = Male +0.53
R boxplot with already computed mean, confidence intervals and min... 0.00
Looping points() with segments() R +0.50
Make r ignore the order at which values appear in a column (created... 0.00
robust linear regression with lapply -0.10
Joining the result of two statistical tables in one table in R +0.97
comparison Mann-Whitney test between groups +1.92
Recreate vector from print() console output +0.55
Automatically extracting strings with mismatched spellings from a c... -0.07
Combine factors via majority vote into one in R 0.00
average calculation for many data in R 0.00
Extract the combinations of cells without repeating the index -0.49
How to perform a bootstrap and find 95% confidence interval for the... -0.59
R: Calculation with each element in a matrix across lists -0.51
How to return multiple objects and only show part of the return whe... -0.01
How to subset by date in R -0.50
How to Plot Bar Charts for a Categorical Variable Against an Analyt... 0.00
R - subsetting data.frame in combinationar manner 0.00
Calculating Root Mean Square Percentage Error in R 0.00
Regex issue in gsub -1.03
How to make factor names appear in ifelse statement in R? 0.00
Classify content based on 4 cells in data frame -0.03
Clever way to count condition on multiple rows -1.86
r - best function to select combinations of columns in dataset 0.00
Set several columns of a subset of an xts to NA 0.00
R - Count max of consecutive days if a event ocurrs -0.07
R: correlation after aggregation -0.00
How to bootstrap in R +0.51
Remove "NA" from some specific cells of a data frame. Not... 0.00
vectorizing an R-loop with backward dependency +0.77
How to Count Unique rows in a data frame? -0.42
Converting character matrix with vectors of numerics and plain nume... +1.34
Data Cleaning using R Programming +0.33
How would I only include correlation coefficients above .6 in a cor... +0.51
Multiply each other value in row with first value in row -0.38
How to manipulate a data where if a variable gives an output the su... 0.00
Make a For Loop more Efficient 0.00
OLS Regression in R 0.00
Assign a negative sign to every value in a vector (in R)? +2.06
Applying functions w.r.t. calendar days in R 0.00
How to apply this code to all cells of dataframe in R 0.00
R - New Factor Variable based in imediatly previous row and other c... -0.53
R: Histogram and Density on multiple user response data frame -2.15
R delete all col with NA except one col +0.01