StackRating

An Elo-based rating system for Stack Overflow

Home | About | Stats and Analysis | Get a Badge

Rating Stats for

mpjdem

Rating
1519.10 (33,821st)

Reputation
1,319 (122,007th)

Page: 1 2

Title	Δ
Is there an R function for dropping duplicates of index variable ba...	-1.30
How to replace data in a data frame in R?	0.00
NULL type of object in R	0.00
R: Plot multiple different coloured ROC curves using ROCR	-1.26
Different results using Random Forest prediction in R	0.00
Sample variables from two columns in R	+4.16
Turn a long data structure to a wide matrix structure	0.00
Adding missing rows but not when date changes	0.00
Difference between system() and shell()	0.00
Can't find numeric value index	+3.88
Finding duplicate columns in a data.table	-0.09
`names` pointing to `by` instead	0.00
Scale all values depending on group	0.00
R: function on all column combinations from two data frames using n...	+0.34
Unable to open .csv file in R ,whose file name is obtained by conca...	+3.77
Block means of a matrix with fixed interval R	-2.94
xgboost algorithm implementation in R- what's the meaning of la...	0.00
Why rollapply is much slower with fill=NA and function return multi...	0.00
R plotting table of incomplete dates	-2.46
Lookup values corresponding to the closest date	-2.90
Rolling sums for groups with uneven time gaps	+2.03
R: How to split string and keep part of it?	-3.99
How to create a matrix with probability distribution in R	+2.99
How can I transform results from lapply into a matrix in R?	0.00
An efficient way to apply a function over a list of dataframes	-4.02
data.table row order getting messed up	0.00
R: Rolling/sliding Window and Distinct count in R for sliding numbe...	0.00
lapply(x, as.factor) returning just one level	+3.81
R error: dplyr. Can not automatically convert from factor to intege...	0.00
r: Retaining warnings in `sapply` loop as a vector	+3.95
Argument is of length 0, no NA's	-0.12
R: Looping logic to calculate a moving sum over 30 days	0.00
Odd behaviour when replacing multiple values in R dataframe column...	0.00
Trouble with ifelse statements	0.00
R Parallel Programming: Error in { : task 1 failed - "could no...	+4.04
Extraction special rows from a dataframe	+3.97
how unroll a matrix in R	0.00
R - Read.csv importing incorrectly due to column names missing	-0.01
Extracting unique value sequences from DF colum with R	+3.80
Draw a stratified sample of certain size in R	0.00
R: Group data frame by time intervals	-3.85
What is the substitute idiom for sapply in data.table?	0.00
Merge dataframes by groups common to both	+4.17
Filter Dataframe by second dataframe	-3.06
Renaming a subset of all the columns in a data frame	0.00
How can I insert/replace values within a column based on preceding...	0.00
Date conversion going wrong in as.yearmon	0.00
Large Scale Data Logistic Regression	0.00
jumping / alternating sequence that will ordner rows in dataframe	-1.52
After normalization i get NA , NAN and 1e+00 type values	-2.24