Versions of RegressIt have been distributed to the public since 2014, and over the last year or so it has undergone significant enhancements, including an innovative menu system for model space navigation and output display, the ability to run on Macs as well as PC's, an interface for performing both linear and logistic regression analysis in R, and a separate PC version for logistic regression within Excel. It's also very good for live demonstrations and computer exercises in the classroom or online. It includes very extensive teaching notes that can be embedded in regression model output worksheets in the form of cell comments, as well as a great deal of internal documentation. It has a sophisticated but easy-to-use interface that is designed to take maximum advantage of the interactivity and multiple dimensions of the Excel environment, with some unique features to support teaching and grading as well as to make your own analysis easier and more enjoyable. I developed it for use in an advanced course on regression and time series forecasting taught to MBA's and grad students in other programs at Duke, and it is also intended for wider use in teaching (including introductory courses, workshops, and webinars) as well as in applications. A quick overview of RegressIt's features can be found in this set of slides: Whether or not you are fond of Excel as a tool for data analysis, please read on, particularly if you are an R user.
REGRESSION EXCEL 2007 FOR FREE
A new version of RegressIt, a very powerful and user-friendly Excel add-in for multivariate descriptive analysis and linear and logistic regression, is available for free at this web site:
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