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Supplementary Points: Aiding Interpretation of Correspondence Analysis
17 August 2017 | by Jake Hoare

Including supplementary row or column points to a correspondence analysis after the core data has determined the map can improve interpretation of the results. Correspondence analysis is a technique for analyzing tables of data, often used…

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Moonplot to show brand mapping from a correspondence analysis Correspondence Analysis Moonplots: A Better Visualization for Brand Maps
15 August 2017 | by Tim Bock

A Better Way to Visualize Brand Maps Correspondence analysis is the standard tool for creating brand maps. It shows which brands compete with which other brands and the basis for that competition. Unfortunately, correspondence analysis…

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MaxDiff analysis example MaxDiff: 11 Tips to Do Your Own Analysis
03 August 2017 | by Tim Bock

MaxDiff analysis is one of those advanced techniques that can be run by any good quant researcher. Yes, the modern algorithms have their fair share of rocket science in them, but with a bit of…

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experimental design How to Check an Experimental Design (MaxDiff, Choice Modeling)
25 July 2017 | by Tim Bock

Every now and then somebody sends me an experimental design and says, “can you please check it for me, I need to know if it is OK, it is really urgent!”. Usually they also send…

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Correspondence Analysis for brand switching Correspondence Analysis of Brand Switching and Other Square Tables
25 July 2017 | by Jake Hoare

Correspondence analysis is a powerful technique that enables you to visualize a complex table of results as a much simpler chart. In this post I discuss the special case of square tables, which often arise in…

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Put PowerPoint into Cruise Control: How to Automatically Update Your Reports
14 July 2017 | by Matt Steele

The ability to automatically update PowerPoint slides with new data can save time, money, error, and your sanity. Some analysis software packages allow your reporting to go into cruise control with clever automation, so you can just focus on…

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Traditional Crosstab Old-School Crosstabs: Obsolete Since 1990, but Still a Great Way to Waste Time and Reduce Quality
27 June 2017 | by Tim Bock

The table above is what I call an old-school crosstab. If you squint, and have seen one of these before, then you can probably read it. The basic design of these has been around since the 1960s. Originally,…

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statistical significance trick The Magic Trick that Highlights Interesting Results on Any Table
12 June 2017 | by Tim Bock

This post describes the single biggest time saving technique that I know about for highlighting significant results on a table. The table below, which shows the results of a MANOVA, illustrates the trick. The coloring…

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Latent class analysis cross-validation Using Cross-Validation to Measure MaxDiff Performance
23 May 2017 | by Justin Yap

This post compares various approaches to analyzing MaxDiff data using a method known as cross-validation. Before you read this post, make sure you first read How MaxDiff analysis works, which describes many of the approaches mentioned in…

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max-diff-preferences How to Analyze MaxDiff Data in R
23 May 2017 | by Chris Facer

This post discusses a number of options that are available in R for analyzing data from MaxDiff experiments, using the package flipMaxDiff. For a more detailed explanation of how to analyze MaxDiff, and what the outputs…

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Using Displayr How to Analyze MaxDiff Data in Displayr
23 May 2017 | by Chris Facer

This post discusses a number of options that are available in Displayr for analyzing data from MaxDiff experiments. For a more detailed explanation of how to analyze MaxDiff, and what the outputs mean, you should read the…

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Using Q How to Analyze MaxDiff Data in Q
23 May 2017 | by Chris Facer

This post discusses a number of options that are available in Q for analyzing data from MaxDiff experiments. For a more detailed explanation of how to analyze MaxDiff, and what the outputs mean, you should read…

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