Correlation is a term that we employ in everyday speech to denote things that appear to have a mutual relationship. In the world of analytics correlations are specific values that are calculated in order quantify the relationships between variables. This kind of analysis is powerful because it allows us measure the association between factors such as …
The chi-squared test is used to examine differences with between fields with different categories and to determine whether those differences are significant.
The real world, whether it be the physical world, for example machines, or the natural world, for example human and animal behaviour, is very complex with many factors, some unknown, determining their behaviour and responses to interventions. Even if every contributory factor to a phenomenon is known, it is unrealistic to expect that the unique …
What is the difference between the various types of statistical models? Read More »
When you’re conducting any kind of statistical analysis, it’s vital that you select the correct tests to perform, given the characteristics of your data and the analytics outcomes that you’re hoping for. If you don’t choose the right tests then the results you generate can be meaningless and this can lead to business decisions being …
