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Quantile regression

What is quantile regression Quantile regression keeps growing in importance and interest since it was introduced by Koenker and Basset in 1978. The method popularity among the practitioners and also researchers’ community is without doubt due to its peculiarity to provide them a realistic framework to perform their studies. Indeed, by nature, quantile regression enables to work with a wide range of...

Factor analysis in Excel tutorial

TURF analysis in Excel tutorial

Attribute charts

When to use an attribute control chart? Use this tool to supervise the production quality, in the case where you have a single measurement for each point in time. The measurements are based on attribute or attribute counts of the process. An attribute control chart is useful to recap the categorical variables of the measured production quality. Attribute control charts in XLSTAT Integrated in the...

Conjoint analysis

What is conjoint analysis? Conjoint analysis is a comprehensive method for the analysis of new products in a competitive environment. This tool allows you to carry out the step of analyzing the results obtained after the collection of responses from a sample of people. It is the fourth step of the analysis, once the attributes have been defined, the design has been generated and the individual responses...

Dose effect analysis in Excel tutorial

Design an experiment for sensory analysis in Excel

Conjoint analysis in Excel tutorial NEW

Variable transformations

Use of variable transformation Variable transformation is often necessary to get a more representative variable for the purpose of the analysis. It can also be used simply to let your variable's distribution get closer to a normal distribution (notice that this does not work systematically). Deciding on the appropriate transformation will often improve the quality of your results. XLSTAT variable...

Factorial analysis of mixed data (PCAmix) in Excel