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Stephen Henderson

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1536.19 (13,887th) 		Reputation
3,985 (42,088th)
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Title Δ
algorithm/code in R to find pattern from any position in a string -1.27
Plot only 5 of 7 factor levels in R +3.98
Methods for recursive concatenations on user defined classes in R? 0.00
Identify points within specified distance in R -0.20
What's the R statement responding to SQL's 'in' statement? -3.08
Massive datasets with the randomForest package 0.00
Calculate marginal totals as a function within a ddply call -0.51
What is idiomatic Julia style for by column or row operations? -0.01
R - How to show points labels when plotting a matrix? 0.00
Different results in calculating Variance ans Standard Deviation in R 0.00
how to replace values in every nth column with value from adjoining... +4.24
R repeat function until condition met -3.24
Populate dataframe subsets with pdf densities +5.00
How to view more of your data in R 0.00
How to generate five number summary using describe.by 0.00
How to view singularities in model fitted in caret train in R 0.00
R ggplot geom_bar facet dodge 0.00
Count elements in a list that show up in another list -2.26
create variable that takes 1 if it's negative and 0 otherwise -5.20
parallel k-means in R 0.00
How to Correlate one variable to all other variables on R -4.05
How to pick value from a particular column in R +0.57
R: using ddply with a function +4.28
Plot learning curves with caret package and R 0.00
R- iGraph Error: weight vector too short, Invalid value when applyi... 0.00
Converting gene expression data to numeric in R 0.00
Is it possible to auto-fill with zeroes when subtracting output of... -3.99
How to create formulas to compute new variables in R considering na... 0.00
probe-level mean-centering of RMA normalized probes with R biocondu... 0.00
How to print scale in a heatmap in R 0.00
R: set default color for ascii grid plot 0.00
Function reorder in R and ordering values +2.12
R: optimizing weights for average accross 3 variables 0.00
r - How can I "add" additional information to column name... +2.57
how to understand list(list(object)) in r? +3.74
Predict function on a Regression model giving error +0.07
Warning message in predict.gam - why is this happening? -3.97
add one column to dataframe based on the change in the other column... -4.07
Altering the data on diagrams +3.56
R plot ratio of success vs continuous variable 0.00
Syntax for referencing into results of summary frequency counts of... +0.75
Using vectors instead of loops +4.80
Faster way to find the first TRUE value in a vector -2.49
RODBC and sqlQueries with R objects 0.00
How to replace vector occurring numbers? 0.00
bwplot axis values are displayed incorrectly -4.15
count a variable by using a condition in R -1.47
How to subset a list and remove empty vectors? -3.97
NULL dimension after using as.numeric function +4.42
In loops i can not summarize the results in a matrix +0.17