StackRating

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

Joshua Ulrich

Rating
1638.69 (725th) 		Reputation
144,356 (398th)
Page: 1 ... 26 27 28 29 30 ... 35
Title Δ
xts comparison to another xts object does not work -0.11
merging lists within lists via time stamp 0.00
compare adjacent elements of the same vector (avoiding loops) +0.34
Can I assign an operator to a variable? +0.08
Error creating matrix in r +1.29
How to sort a data frame in R -0.43
Multiply various subsets of a data frame by different vectors +1.25
R .Internal for Beginners +0.37
Source-ing an .R script within a function and passing a variable th... +0.35
truncate string from a certain character in R +0.35
R: How can I replace let's say the 5th element within a string? -1.01
Aggregating values in a data frame based on key -2.10
Find the index position of the first non-NA value in an R vector? +1.76
Parsing quotes in R: Quantmod application -0.15
How To Filter a Dataframe based on Category Counts -2.26
Expand Categorical Column in a Time Series to Mulitple Per Second C... -2.05
Converting xts to ts: Error in Round(frequency) -0.49
Create an XTS object with datestamps but no columns initially +1.85
unable to install quadprog package on R Version 2.13.0 on mac -0.56
Prompting for user input to download tick data using R quantmod get... -0.11
Data frame of tables from a list +1.26
how can I get the means after splitting the data by columns? statis... +0.38
how do i calculate correlation between corresponding columns of two... 0.00
How to display numeric columns in an R dataframe without scientific... -1.06
R: Why does strptime always return NA when I try to format a date s... 0.00
Perform 'cross product' of two vectors, but with addition +0.41
Preserve ordered factor when using ddply 0.00
Reordering (deleting/changing order) columns of data in data frame 0.00
Preventing R From Rounding +1.03
Do you always use row.names=F in write.csv? Changing the default va... +0.36
Plotting the Pointwise Max of Multiple Series +1.56
Delete all columns with 0 from matrix -0.56
Converting decimal to binary in R? -2.47
dependent packages not loading in R on Debian 0.00
Average two Zoo vectors with same index? -2.07
Text file to list in R +0.94
R: Error in xts - order.by 0.00
R Changing Elements in a Dataframe +0.38
Extract non-alphabet characters from paste() function in R -0.44
Regex between > and < in R with stringr -0.84
Examining contents of .rdata file by attaching into a new environme... +0.15
Convert data.frame to xts object and preserve types +0.37
as.POSIXct gives an unexpected timezone -1.77
Easiest way to create an irregular time series graph (R? GGPLOT? IT... -2.02
Working with the rep() function +1.43
In R, how to combine component-wise two lists which components have... 0.00
Working with dataframes in a list: Rename variables 0.00
interpolate time series of multiple tables 0.00
reporting R crashes as bugs +1.15
R: Count and convert to number +0.39