# Latest Posts

## 7 Practical Guidelines for Accurate Statistical Model Building

Model Building–choosing predictors–is one of those skills in statistics that is difficult to teach. It’s hard to lay out the ...

## Statistical Analysis

What is statistical analysis? It might sound pretty naïve, to many, to ask this question. In his introduction to ‘Statistical Analysis...

## The “Big Five” Misinterpretations of Statistical Significance

NOTE TO READERS: The following has been excerpted from Principles and Practice of Structural Equation Modeling (Third Edition) by Rex B...

## The significance of the t-distribution and the t-test

The fact that the normal distribution is one of the pivotal statistical distributions is virtually not subject to debate. Many statistica...

## One-way Analysis of Variance, ANOVA

Analysis of Variance (ANOVA) is a statistical method used to test differences between two or more means. ANOVA is used to test general, o...

## Is big data still big news

People talk about ‘data being the new oil’, a natural resource that companies need to exploit and refine. But is this really ...

## Probability and statistics

Probability and statistics are closely related and each depends on the other in a number of different ways. These have been tradi...

## Statistical hypothesis testing

The term hypothesis testing is probably not new to you. The term significance testing is sometimes used. A statistical hypothesis is an a...

## Big data analysis and analytics

First, it is important to define the term big data and differentiate between data analysis and data analytics. Big data refers to data...

## Imputation methods for missing data in longitudinal studies

Having complete data that one sought to record infrequently happens, especially in a study setting where repeated measures from subjects ...