StackRating

An Elo-based rating system for Stack Overflow

Home | About | Stats and Analysis | Get a Badge

Rating Stats for

Ricardo Saporta

Rating
1533.06 (16,004th)

Reputation
41,631 (2,640th)

Page: 1 2 3 4 5 ... 16

Title	Δ
Reformatting Data Frame in R	+0.37
How to put xts columns in to data frame	-2.22
Conditional rolling mean (moving average) on irregular time series	0.00
What is the R equivalent of delete in SAS	+0.29
Assign random missing values	0.00
R data formats: RData, Rda, Rds etc	-0.37
Add a transparent window/keyhole ggplot2 (grid)	-0.19
Search for expression in data.table in R	0.00
Reading data in R from a single column text file	-1.79
subtract two columns in dataframe if a condition is met	+0.46
data.table behaviour with row.names and updating	0.00
Fastest way to remove this list-wise for loop?	+0.45
replacing numbers in order	+1.10
Cut off additional \n (new line characters) in a string in R	0.00
r - subtract one column from another in dataframe	-0.32
Split string when a capital letter follows a lower cap letter in th...	-0.34
data.table "losing" factor levels under certain conditions	0.00
How to calculate the distance between coordinate data by date?	0.00
Converting data into binary within a data frame	+1.11
append new row for each run of function	-0.43
Elegant way to count number of elements in each column of a matrix...	+1.16
Selecting several days before specified date in R	-0.03
Use unique rows from data.frame to subset another data.frame	+0.12
Contrasts can be applied only to factor	-0.53
ggplot2 - boxplot multiple data.frames while staying in order	-1.75
How to create a data-driven list of lists in R	0.00
Replace words in corpus according to dictionary data frame	0.00
re-order data after split in R	-0.53
Referencing entries of matrix in R within for loop	0.00
How to better deal with group by in data.table in this case?	0.00
R repeat function until condition met	-0.08
Print javascript using R?	-0.04
resize/manually enter breaks on colorbar guide of geom_tile AND rep...	-2.28
picking first date for each individual R	0.00
Writing a series of variables to a text file+ adding comments	-0.05
multidimensional array indexing changing values of my matrices	0.00
Improve performance of data.table date+time pasting?	-0.60
Designating bubble color as a variable is limiting choice in ggplot	0.00
Creating a new variable with For loop in R	+0.02
matrix not seen as numeric R	+0.42
Adjust specific text lables in ggplot to avoid overlap	0.00
How to update existing column values in data.table?	0.00
Create a matrix out of remaining data from a random row selection o...	0.00
Matching data between multiple columns of 2 dataframes to return &q...	-0.53
Creating a Origin-Destination Table in R	0.00
Speed up quantile calculation	+0.45
R ordering splitting up ordering of entries with different number o...	0.00
R: How to solve Error in is.data.frame(x):object ' ' not found?	0.00
Error in Y axis scale when plotting in R	0.00
Subsetting data.table with a condition	+0.46