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John

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1493.13 (4,336,964th) 		Reputation
19,389 (7,081st)
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Title Δ
Function to calculate the sum of 1's in numeric vector gives a... +0.52
Aggregate - processing data from two columns in FUN -0.45
Using aggregate in R to find unique values of one variable for the... -1.55
Student's t alpha change -1.45
find nearest smaller number +1.87
R Reshape Performance -0.13
Legend goes behind the lines in R plot -0.92
How could I reduce a dataframe in R with aggregate (or similar) to... +2.07
R: How to compute mean of every 10 lines of a variable -1.69
Performance optimization in R +2.04
Row difference calculation in dataframe from the first instance for... -1.77
Please review my app logic - R Newb -1.61
Removing a loop in lapply -1.13
how to read a matrix from text file in R +0.49
How to create an expanding sequence in R, such as c(1,1,2,1,2,3,1,2... +1.09
Linear Regression loop for each independent variable individually a... +0.42
R switch() how to compare cases to a vector? +0.22
Vectorization in R of a Complex Algorithm +0.14
R - Multiply a Dataframe by Another dataframe -1.81
Alternate way for R loop -1.84
Pivot like number manipulation in R +0.44
Is there a better way to plot multicolor lines in R than splitting... -1.89
Calculation of row differences with changing conditions in a data f... +0.09
Histogram in R combining first two values -0.84
How to use some apply function to solve what requires two for-loops... +0.96
Eliminate groups which have different values in R +0.04
R: Applying a dprime function - apply() error 'dim(X) must have a p... 0.00
Different aov results on different computers (also different from e... 0.00
R: Cut behaves strangely when converted to numeric -1.77
Vector to Matrix of Differences between elements +0.51
change the color of certain data points in r -0.00
R table remove column -1.71
R: Extract standard errors from mlm object +2.13
R for loop faster than sapply +0.11
Linking values between datasets 0.00
"Common Data Format" in R 0.00
how to generate a vector or factor from a numeric matrix based on l... +0.27
identical model fit results when using anova? 0.00
How can I specify a relationship between parameter estimates in lm? -1.71
Simple Sample Loop in R +0.35
R for() loop to check if a number is between two others and add an ID -1.04
Any ideas why R and Python's NumPy scaling of vectors is not matchi... -1.14
GraphPad Mann Whitney scatter plot in R 0.00
R barplot : bars "spilling" beyond x axis -0.03
Trying to add multiple sequentially number columns to data frame in r 0.00
Algorithm Efficiency for Nested For/If Loops in R +0.07
Covariates in correlation? 0.00
R, lme: specifying random effects for mixed model of before-after-g... 0.00
Fastest way for multiplying a matrix to a vector +2.26
R calculate the standard error using bootstrap -1.21