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Rating Stats for

Joshua Ulrich

Rating
1638.69 (725th)
Reputation
144,356 (398th)
Page: 1 ... 32 33 34 35
Title Δ
How to partition a set of values (vector) in R +3.68
Re-inserting NAs into a vector +3.71
Convert a irregular time series to a regular time series -2.66
Create "missing objects" (aka: "empty symbols"... +1.55
set environment variables for system() in R? +3.90
R: Why this doesn't work?, matrix, rounding error? -4.15
How to express this sum concisely in R? -0.61
Efficient computation of "variable (number of points included)... -1.95
Grouping/recoding factors in the same data.frame -0.31
Can you use fix via do.call? -4.74
Calculating Months between Factored Time Variables -2.08
R - optimize objective function (does lots of matrix manipulation) +1.38
compute means of a group by factor -3.90
Scoping problem when sfApply is used within function (package snowf... +4.11
Trouble rbinding ts objects – only replacement of elements is allow... 0.00
referencing to an index dataframe and retreiving data where matches... 0.00
How does one searches efficiently the internet for [R,the statistic... +3.43
R: Turning RData file into script files +3.46
Read xts from CSV file in R +3.43
Use aggregate with a function that uses data from two columns (e.g.... -1.76
How to convert a matrix to a 1 dimensional array in R -2.63
show data that exists in both MYSQL tables and/or R objects -0.75
Linear Model with Constraints, [R] 0.00
Removing a particular category from a data frame in R -4.43
What is the preferred data source for R programs? +1.73
Function within function not activating as expected -4.50
Sorting a boxplot based on median value +4.12
Remove HTML tags from string (R Programming) 0.00
Loading many files at once? 0.00
Reverse digits in R +0.69
R: removing the last elements of a vector +3.80
How can I use assign to change variables within a dataframe in R? -1.58
R XTS package to.minutes3 +4.58
Dictionary data structure in R 0.00
Drop lines from actual to modeled points in R +3.53
See the exact byte sequence of an R string? +3.61
Change summary variables returned by Hmisc summary() -4.53
Assigning and removing objects in a loop: eval(parse(paste( +3.60
apply strsplit rowwise +2.44
Programmatic API for downloading historical financial statements +3.27
how to substitute a for loop in R with an optimized function (lappl... +0.01
How can I resolve the "could not find function vapply" er... +3.67
How to handle with empty dataframes in R? +2.69
Filtering a dataframe in R +3.75
Finding a string pattern using grep -1.28
Aggregating daily content -3.93
basic R question on manipulating dataframes +3.94
how to pick up a set of numbers from the end of lines with irregula... +0.81
When does it pay off to use S4 methods in R programming +3.72
Combine plots with axis normalization -2.89