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STC 122 — Statistical Computing & Data Analysis

Data, R and the foundations of inference — the full Semester Test 1 scope, plus every tutorial and practical worked. Chapters are R33.99 each — complete the module and 15% comes off.

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Chapters · R33.99 each

Chapter 1 — Aims of Data AnalysisCovers the three aims · describing data for an audience · population vs. sample · probability vs. inference · prediction, model fit and residuals.R33.99
Chapter 2 — Introduction to RCovers working directories and file paths · arithmetic and variables · functions and packages · conditionals and loops · a catalogue of every error message.R33.99
Chapter 3 — Introduction to Data & EDACovers variable types and factors · association vs. causation · tables and barplots · mean, median, SD, IQR · histograms, boxplots, outliers · data transformations.R33.99
Chapter 4 — Foundations of InferenceCovers the Normal distribution and Z scores · normality tests · sampling distributions and the CLT · confidence intervals · hypothesis tests · randomisation and bootstrapping.R33.99
Interactive TutorialAll 90 questions from Tutorials 1–4 and Practicals 0–1, worked step by step · 10 randomised quizzes · R command sheet and a 35-item trap list.R33.99