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Rating Stats for

Joshua Ulrich

Rating
1638.69 (725th)

Reputation
144,356 (398th)

Page: 1 ... 17 18 19 20 21 ... 35

Title	Δ
How to get all arguments passed in a function?	0.00
monthly average of working days data	0.00
Plotting discontinuous xts timeseries on same plot in R?	0.00
Does converting character columns to factors save memory?	+2.27
Calculate Returns of xts object with multiple columns	0.00
sampling a specific timestamp for multiple days xts	-1.74
Find first Tuesday of Month	-0.17
Regex; eliminate all punctuation except	0.00
Calculate Rolling Realized Volatility on a Forward Looking Basis	+0.33
Rolling regression xts object in R	0.00
How to check if the value is numeric?	-1.31
Select only the first rows for each unique value of a column in R	+1.85
R Date format with months and days of two digits	-2.58
How to keep the zeros in the characters when I use the function rea...	+0.32
paste character limit	0.00
Using str_sub from stringr to replace characters in all elements of...	-0.67
speeding up running if.. else loop in R	+0.57
Moving variance in R	+0.24
Multiple array items appending	0.00
Constructing a matrix as function of row and column	-2.61
avoiding for loops when generating lagged variables in R (and using...	0.00
Deploy R script in a portable usb form	+1.34
xts::period.apply and cumprod	0.00
Discrepancy between R and Matlab speed	0.00
Find unique portfolio combinations in R	0.00
Removing NA columns in xts	-0.97
How to convert a vector of strings to a dataframe or matrix	+2.23
Interpolating timeseries	0.00
append list to a list	-0.60
Why and where are \n newline characters getting introduced to c()?	0.00
recoding facebook timestamp in R	0.00
Speeding up function that uses which within a sapply call in R	0.00
Variable Length Core Name Identification	+0.09
Easy Way to Get Averages Based on Names in List	-1.54
Using sapply vs. for to efficiently write to preallocated data stru...	+1.26
instaling texreg package in R	0.00
Any method to populate (pad) monthly zoo objects with signals on lo...	0.00
Error in getSymbols, must use auto.assign=TRUE for multiple symbol...	0.00
escaping pipe ("\|") in a regex	+1.63
Efficient way to apply a function to a list of lists	-1.83
Merge data frames by approximate column values	+0.35
function `sample` in R, are these two code snippets equivalent?	0.00
Count how many times the element is repeated in a sequence (in R)	0.00
How to handle 'Series contains non-leading NAs' in TTR library with...	0.00
Exclude specific time periods in R	-2.37
list of lists with different lengths to data.frame in R	+1.57
How to loop through an array in pairs?	+1.09
representing data in year/qtr format using R	0.00
Valid expressions to the quote function	0.00
Intraday high/low clustering	0.00