Importing Data Into R from Different Sources
I have found that I get data from many different sources. These sources range from simple .csv files to more complex relational databases, to structure…
View More Importing Data Into R from Different SourcesHow to Become an Efficient and Collaborative R Programmer
I may want to add a subtitle “Why R-Forge Must Die” (thinking of Barry Rowlingson’s talk earlier this year). I have been a GitHub user…
View More How to Become an Efficient and Collaborative R ProgrammerDemonstrating the Power of F Test with gWidgets
We know the real distribution of the F statistic in linear models — it is a non-central F distribution. Under H0, we have a central…
View More Demonstrating the Power of F Test with gWidgetsCross-Validation for Linear Regression
cv.lm {DAAG} R Documentation Cross-Validation for Linear Regression Description This function gives internal and cross-validation measures of predictive accuracy for ordinary linear regression. The data…
View More Cross-Validation for Linear RegressionMULTIPLE REGRESSION
Preliminaries Model Formulae If you haven’t yet read the tutorial on Model Formulae, now would be a good time! Statistical Modeling There is not space in…
View More MULTIPLE REGRESSIONCRAN Task View: Computational Econometrics
CRAN Task View: Computational Econometrics Maintainer: Achim Zeileis Contact: Achim.Zeileis at R-project.org Version: 2014-02-28 Base R ships with a lot of functionality useful for computational…
View More CRAN Task View: Computational EconometricsModel Validation: Interpreting Residual Plots
July 18, 2011 By Daniel Hocking (This article was first published on Quantitative Ecology, and kindly contributed to R-bloggers) When conducting any statistical analysis it is important to…
View More Model Validation: Interpreting Residual PlotsWriting the Research Proposal
A research proposal is similar in a number of ways to a project proposal; however, a research proposal addresses a particular project: academic or scientific research. The…
View More Writing the Research ProposalWriting and Presenting Your Thesis or Dissertation
Introduction This guide has been created to assist my graduate students in thinking through the many aspects of crafting, implementing and defending a thesis or…
View More Writing and Presenting Your Thesis or DissertationWriting a Good PhD Research Proposal
by the FindAPhD Team. What is a PhD proposal? A PhD proposal is a an outline of your proposed project that is designed to: Define…
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