201a Schedule

Week 0: Introduction

In which we will cover the goals of this class, and where the class materials fit into the broader landscape of quantitative / computational / data skills.

Readings

Basic introduction to R / Rstudio: R4DS Sections: 1, 4, 6, 8

Homework

HW00: Swirl

Thursday

Overview: slides

Week 1: Data

In which we cover data organization, cleaning, and basic summaries, while getting acquainted with R syntax.

Readings

Working with data: R4DS Sections: 5, 7, 11, 12

Notes: Descriptive statistics, Data cleaning example

Tuesday

Data overview: slides live code

Wednesday

R basics (continued) [files]

Thursday

Data summaries, data frames, and dplyr: slides live code

Week 2: Visualization

In which we cover how to make scientifically useful graphs.

Readings

Visualization notes

R4DS: 2, 3

socviz: make a plot (the rest of this book may also be useful, but we don’t have time for a thorough treatment.)

Tuesday

visualization, ggplot #1: slides , code

Wednesday

Data visualization [code] [answers]

Thursday

(continuing with slides from Tuesday)

Week 3: Theoretical foundations

In which we cover probability theory, and the logic of classical statistical methods.

Readings

Probability notes

NHST notes: Particularly: statistics via simulation, sampling distributions, Statistics via Normal, Null hypothesis significance testing. (Binomial probability to statistics is mathier, may be of interest, but is optional.)

Wednesday

Probability [code] [answers]

Thursday

slides: NHST

Week 4: Linear model: Regression

Homework

HW04: Regression

Wednesday

t-test and chi-squared test [code]

Week 5: Linear model, midterm

Wednesday

Correlation & regression [code] [answers]

Thursday

Review and midterm catchup.

Midterm out thursday evening

Week 6: Linear model: Categorical predictors

Wednesday

Multiple regression [code] [answers]

Week 7: Linear model: ANCOVA, diagnostics

Tuesday

ancova slides

if we have time: lm diagnostics

Wednesday

ANOVA & ANCOVA [code] [answers]

Thursday: Veteran’s Day – no class

Week 8: Linear model: Linearizing transforms

Wednesday

Linearizing transforms [code] [answers]

Week 9: Covarying errors (repeated measures / random effects)

Readings:

I don’t like either of these…. I am still on the hunt for a pithy conceptual overview of repeated measures designs and analyses:
This is simpler: Howell, ch. 14
This is mathier: Kutner ch. 27

Wednesday – Thanksgiving, no lab

Thursday – Thanksgiving, no lab

Week 10: Review and preview

Tuesday

Wednesday

Thursday