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Rating Stats for

Joshua Ulrich

Rating
1638.69 (725th)
Reputation
144,356 (398th)
Page: 1 ... 25 26 27 28 29 ... 35
Title Δ
Generate entries in time series data -2.00
How do I get year and month when day is invalid without fixing the... -0.07
Make R exit with non-zero status code 0.00
apply over matrix by column - any way to get column name? -1.25
xts merge odd behaviour -0.61
Vectorizing code and stuck but good +1.62
Adding named item to list - guaranteed to append to end of list? +1.60
How to use data frame as an element in list? 0.00
Regular analysis over irregular time series 0.00
Compute range over list of `xts` objects 0.00
Creating a Unique Sequence of Dates -1.85
matrix losing class attribute in R 0.00
How to rename a single column in a data.frame in R? +1.29
One function to detect NaN, NA, Inf, -Inf, etc.? 0.00
How to write contents of help to a file from within R? +0.36
How to return the date associated with each member of a sorted list... -1.47
How do I count/aggregate values from a data.frame and reincorporate... +0.25
quick/elegant way to construct mean/variance summary table +0.35
Calling Lag in ifelse with different k based on some other column i... 0.00
Dividing specific values between two arrays -1.38
How to use the value of a variable as key in an R-environment? 0.00
In R, how do I convert irregular to regular time series without NA's? 0.00
as.Date.numeric requires origin in Linux, not Windows. Fix? -2.09
performance of POSIXvariables with decimals in R -1.42
Odd output from R POSIXlt -0.47
data.frame structure fubar: structure says most character, printing... +2.07
quantmod 3d graphics 0.00
Can you pass a vector to a vararg?: Vector to sprintf 0.00
How to display c++ output message in windows R 0.00
How to subset matrix to one column, maintain matrix data type, main... 0.00
write.csv() a list of unequally sized data.frames 0.00
Creating an xts object results in altered timestamps -0.91
mutable default package values in R +0.35
How to count rows? 0.00
read.csv is extremely slow in reading csv files with large numbers... +0.35
Reference for R wizards 0.00
In R, how can I check if two variable names reference the same unde... +1.47
R Code Taking Too Long To Run -0.29
How can i convert a dataframe with a factor column to a xts object? +0.37
How to use `apply.monthly` in a zoo object with several columns +1.72
Make a repeating alpha-numeric list -2.50
How to limit the scope of the variables used in a script? +1.32
Converting date times in POSIXct gives screwy result? +0.34
Error trying to understand timeseries dimensions +0.37
How to remove a row which contain only missing values in R? -0.52
Does there exist runPercentRank like runFun (runMin, runMax,...) in... 0.00
Slower ddply when .parallel=TRUE on Mac OS X Version 10.6.7 -0.23
How to pass variables into split()? -2.30
xts tick data rolling subset +0.37
Can I vectorize a calculation which depends on previous elements? +1.38