data analysis

The chi-square test of independence is one of the most popular statistical tests. It is used to check whether there is a statistically significant relationship between two...

The area of reliability analysis is of interest first of all to those who plan to use scales and indices in their studies, namely more complex indicators than a single survey...

Humans presented data in tabular format already in the ancient times. Thus, sometimes we can be deluded that structuring and reading tables is intuitive and does not require...

A waterfall graph, otherwise known as a cascade chart, may mean very little to those of us from outside the financial services industry.

In today's post we will combine the classic (and timeless) with the modern (but not worse).

In this article I will introduce  Automatic linear modelling, a procedure for linear models available in PS IMAGO PRO.

Both business and science undertake research to survive and thrive. It is invariably a complex process that requires not only knowledge but also experience.

The Automatic linear modeling procedure is intended to streamline the work of analysts who use regression models.

 Today, we will look into ensemble model methods.

Positioning a product in the context of the competition, or the identification of a product’s features and attributes are often key issues facing marketing, promotion, and product...