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Rating Stats for

Steven Beaupré

Rating
1558.58 (5,879th)
Reputation
17,479 (8,022nd)
Page: 1 ... 5 6 7 8 9
Title Δ
data.table sum and subset +0.20
Mean per group in a column, result per row +0.42
How can I check if multiple strings exist in another string? -0.51
Fastest way to filter a data.frame list column contents in R / Rcpp -1.84
Using spread to create two value columns with tidyr -1.31
Binding dataframes by multiple conditions in R -0.15
R: sum positive values and sum negative values -1.87
number of identical ids in a data frame +0.44
Random values for age, gender, sex using R 0.00
How to extract the error rate on running the c5.0 decision tree and... 0.00
Removing Rows Based on Not Enough Repeated Data in a Large Data Set... +3.08
Adding lubridate dates to vector changes timezone and thus date +3.24
Heat map per column with ggplot2 -4.15
How to select features for random forest using varImp function? 0.00
R - Count Number of Rows w/ @ Symbol -0.33
How to visualize a single response variable with multiple inputs 0.00
Remove similar duplicates from dataframe -4.41
R - Handling multiple values as one string in a single variable +3.55
Sequentially replace multiple places matching single pattern in a s... +4.17
Splitting strings from integers in R +2.64
Replicating rows in data.table by column value -4.27
Wrapping Tableau R Calls 0.00
cut data by groups and create frequency table +3.84
R use string to refer to column +0.00
Looking to transpose a data frame on multiple columns in R +4.43
Getting totals in R for a 2x2x2 contingency table +3.65
Creating a column to enumerate a set of events -1.36
How to compute area under ROC curve from predicted class probabilit... 0.00
calculate a percentage from the start of an intervention in R +4.37
How to write a subsetting operation in magrittr/dplyr: x[!is.na(x)] 0.00
R aggregate dataframe on two variables and apply function 0.00
Deleting specific columns based on conditions +3.96
walking through two tables (matrices) matching columns and applying... +1.43
How to reclassify dataframe column? -1.95
Combine similarly named columns +2.92
r delete rows with numbers +0.30
Compare split and merge two dataframe +4.28
Dplyr summarise_each to aggregate results -2.49
R - Return value x after comparing values y with z -3.79
How to convert all percentage data in R to decimal? -2.09
cumulative percentage return in r -3.90
Reduce a data frame to fewer rows +0.52
Add comma to numbers every three digits in datatable (R) 0.00
need to reorganize data +3.58
R subsetting by partially matching row name +0.26
Conditionally removing duplicate rows from a data frame -3.91
how do you get the similar result computed with dlply using dplyr? +3.45
Transform column of strings with word cluster values 0.00
Compare pairs of values with same ID in a data.frame and return boo... -2.08
Financial Data - R data.table - group by condiction +1.69