Index of /faculty/kerns/video/STAT3743/083010

STAT 3743 Daily Outline

Up there should be four (4) files:

STAT3743_xxxxxx.3gp (video for mobile phones)
STAT3743_xxxxxx.ogv (video in Ogg format)
STAT3743_xxxxxx.pdf (scanned lecture transcript)
STAT3743_xxxxxx.webm (video in WebM format)

The WebM video is definitely the highest quality, but you need a compatible browser/player to watch it. See How to watch the video for instructions to get one.

2010-08-30 Mon

Types of data
- quantitative
- qualitative
- logical
- missing
- other types

Quantitative data

Remarks

Examples:

precip
rivers
discoveries

Displaying quantitative data

Strip charts (dot plots)

overplot, stack, jitter

Histograms

bin width issues

Stemplots

Index plots: good for data ordered in time

methods: spikes and points

Qualitative data and factors

ID versus factors

Examples

Factors: nominal versus ordinal

Examples:

state.abb
state.region

Displaying qualitative data

Contingency tables, table and prop.table

Bar graphs

Ex: state.region

Pareto diagrams: like an ordered bar graph with some extra stuff

Ex: state.division

Dot charts (good stuff)

Ex: state.region

Author: G. Jay Kerns <gkerns@ysu.edu>

Date: 2010-10-08 15:15:42 EDT

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