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Rating Stats for

Josh O'Brien

Rating
1701.03 (147th) 		Reputation
133,586 (464th)
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Title Δ
R - Speeding up approximate date match. idata.frame? -2.00
R - Function overloading +0.36
R : Plotting a point on the Y axis when the X axis is using a log s... 0.00
R: Find missing columns, add to data frame if missing +0.27
How do I run apply on a data.table? +0.31
ggplot2: Multiple color scales or shift colors systematically on di... +0.33
How do you delete a column in data.table? 0.00
escaping quotations in roxygen documentation in R +1.25
evaluate one variable in an expression with two variables +0.87
How to find point related to set of coordinates? -1.99
Extracting parts of a dataframe 0.00
Reshape matrix into a list of lists -1.34
R - Contour Map 0.00
Determining UTM zone (to convert) from longitude/latitude 0.00
How to force an error if non-finite values (NA, NaN, or Inf) are en... +1.73
Get Dates of a Certain Weekday from a Year in R +0.77
visit number by data by within factor group? +0.91
How to reverse a matrix in R? -2.19
R - pipe("pbcopy") columns not lining up with pasting -2.80
Dummy for first new element in a series +0.79
R - Warning message: "In cor(...): the standard deviation is z... 0.00
legend venn diagram in venneuler 0.00
Placing the grid along date tickmarks -0.36
R: Efficiently locating time series segments with maximal cross-cor... +0.33
Implementation of skyline query or efficient frontier +0.44
Using [R] maps package - colouring in specific nations on a world map 0.00
R Subset XTS weekdays +1.81
Shortening vectors (within a data.frame) mutiplication code in R +1.40
R colSums By Group -1.11
How to reshape a matrix +0.59
Histogram on Lattice +2.14
Setting Function Defaults R on a Project Specific Basis +0.33
Import text file as single character string -0.44
R count the number of rows as a combination +0.83
Automatically create date sequences with different starting dates i... +0.99
Is it possible to fit a linear model with only a response variable? 0.00
Getting strings recognized as variable names in R +0.02
R: How to reshape a table into vectors +0.80
Convert Column Values into Row Names using R -0.16
Generate all combinations given a constraint -2.15
Safe method for updating R packages - is "hot-swapping" p... -0.18
R: numeric 'envir' arg not of length one in predict() 0.00
Generating a simple term.matrix from a dataframe 0.00
write multiple custom files with d_ply 0.00
Plotting to a file from a function in R 0.00
Constrained randomization of column order in a data.frame +2.00
Constrained randomization of column order in a data.frame -2.00
How to generate such random numbers in R +1.25
.RHistory and saving all warnings() -2.74
How to create a binary matrix of inventory per row? (R) +0.30