Joris Meys

Joris Meys has asked 42 questions and find answers to 440 problems.

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About

Statistician and R programmer at the faculty of Bio-Engineering, university of Ghent

Co-author of 'R for Dummies' ( 2nd edition released in 2015 )

contact : Joris - dot - Meys - at - Ugent - dot - be

Joris Meys questions

Recognizing a S3 (?) class from a package in an S4 class definition
How to create a specific font family for use in an R package?
Define a show method for an S3 class
Debug Fortran code from within R
Scoping problem when sfApply is used within function (package snowfall - R)
Shiny widget to change the order of elements in a vector
Count the number of valid observations (no NA) pairwise in a data frame
Tutorials/manuals for writing class and style files in LaTeX? [closed]
: Run code first time a package is installed or used
R's behaviour using ifelse and eval in combination

Joris Meys answers

AIC calculation doesn't match in R and SAS for mixed model
limits argument in scale_x_date (ggplot) still produces dates outside data.frame range [duplicate]
In R, how can one make a method of an S4 object that directly adjusts the values inside the slots of that object?
How to handle with empty dataframes in R?
Network Graph and US Map in R
Help on regular expression
How to apply spline() to a large dataframe
R: combine same identifiers in dataframe
Ordering in Logistic Regression
Using clustered covariance matrix in predict.lm()