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 ... 8 9 10 11 12 ... 16
Title Δ
Normalizing a column of data by another entry in a specific row for R +2.43
Webscraping Issues Involving Clicking (Using R) -0.27
find the biggest change in a time series -0.71
Indexing Date via Loop 0.00
Deleting random subset of observations within a group of variables... +1.39
R Filtering Out Rows with missing values +1.16
Storing the output of a function into a variable in R 0.00
Dynamically change column names based on inputs +1.55
How to limit the number of categories in a pie chart 0.00
Applying a set of operations across several data frames in r 0.00
mean and standard deviation by group for multiple variables +2.34
R create a unique key from a set of string data +1.49
Split a data.frame by columns and storing each column as an object... +0.63
Collapse data.table column values while grouping +0.64
Can someone check my code to see why this message pops up "Err... +0.04
Reading fixed width format text tables from HTML page 0.00
I need to define 3 vectors xA, xB, and xC. Where each vector has 3... 0.00
Transferring categorical means to a new table -1.26
How to assign values to row of a matrix when matrix name is a chara... +0.29
unicode conversion and export in R -0.43
NaN is removed when using na.rm=TRUE +0.44
Merge data frames of unequal number of rows -0.44
When I try to melt my data frame with mixed data types, I get NAs.... 0.00
Cut function not working in r 0.00
How to define if else statement whereby the else statement can remo... 0.00
print to pdf file using grid.table in r - too many rows to fit on o... 0.00
rbindlist two data.tables where one has factor and other has charac... +2.75
Full rank matrix in R 0.00
replacing randomly values in an existing matrix in R -1.71
Improve text processing speed using R and data.table +1.09
Convert string to single digits and sum +2.25
Programmatically sum columns of a data frame? -1.25
how to find the list of different geoms and aesthetics +0.76
How to set discrete values in x-axis in R 0.00
Cannot read a bestglm object after writing it with dput 0.00
Simpler way to reconstitute a melted data frame back to the original 0.00
Filter values in data frame 0.00
Is it possible to add percentages to a contingency table -1.02
How can I create a summary table from lists of matrices? 0.00
R- find matching columns in two data frames for t-test statistics (... +2.42
data.table: create new columns with lapply 0.00
Cut and Table function in R +2.04
Create lags using adjacent column in a data.frame 0.00
Using mapply to create sequence objects in R/TraMineR? 0.00
Mutable version of apply? -0.88
Categorical bubble plot for mapping studies +0.42
"if" function for year and day 0.00
Looping through sequence objects in a list? 0.00
is there a concept of Shortcuts/Alias/Pointer in R? -1.93
Binding columns with similar column names in the same dataframe in R -1.53