Lab Assignments

MA-292: Statistical Data Analysis

Site overview

This site contains the lab assignments and their solutions (following the lab class).

Lab 1

In this lab we will cover the following topics:

  • Importing datasets into RStudio;

  • Testing normality of data;

  • Creating conventional and bootstrap confidence intervals.

  • Here are the solutions: Lab 1 - Solutions

Lab 2

In this lab we will cover the following topics:

  • Visualising data;

  • The Mann-Whitney U test;

  • The Wilcoxon signed-rank test.

  • Here are the solutions: Lab 2 - Solutions

Lab 3

In this lab we will cover the following topics:

  • The Kruskal-Wallis H test;

  • Dunn post hoc testing;

  • The Friedman test;

  • Nemenyi post hoc testing.

  • Here are the solutions: Lab 3 - Solutions

Lab 4

In this lab we will cover the following topics:

  • The chi-square distribution;

  • The chi-square goodness-of-fit test.

  • Here are the solutions: Lab 4 - Solutions

Lab 5

In this lab we will cover the following topics:

  • The chi-square test of association between categorical variables;

  • The linear-by-linear option when testing for association between ordinal variables.

  • Here are the solutions: Lab 5 - Solutions

Lab 6

In this lab we will cover the following topics:

  • The hypergeometric distribution;

  • Fisher’s Exact Test.

  • Here are the solutions: Lab 6 - Solutions

Lab 7

In this lab we will cover the following topics:

  • The Poisson Distribution;

  • Poisson regression/log-linear models.

  • Here are the solutions: Lab 7 - Solutions

Lab 8

In this lab we will cover the following topics:

  • The Binomial Distribution;

  • Logistic regression.

  • Here are the solutions: Lab 8 - Solutions

Lab 9

In this lab we will cover the following topics:

  • The Gamma Distribution;

  • Gamma regression.

  • Here are the solutions: Lab 9 - Solutions

Lab 10

In this lab we will cover the following topics:

  • Factor Analysis (FA);

  • Principal Component Analysis (PCA).

  • Here are the solutions: Lab 10 - Solutions

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