Details about Link to Histograms and Descriptive Statistics

SPECIAL EDITION: The Politics of Gun Violence in the United States

ORIGINAL PROJECT: U.S. Presidents' Positions on Roll Call VotesPres. Cleveland's Positions:
53rd House 53rd Senate
54th House 54th Senate

QUIZ YOURSELF: What is a t-ratio?

A test statistic for sample statistics. Comparable to z-scores, t-scores take into account the variability of small samples.

Answer: Hover over the box!More of this: Review Research Methods

Teach Political Analysis

Theory & Concepts:
The Essentials of Political Analysis, 6th Edition. Classic introductory text, clear writing, helps students learn, great ancillaries. More info.

Companions for SPSS, Stata, Excel & R
Practice with software of choice.

MORE FOR TEACHERS: Sample Course Syllabi featuring our textbooks, varied software, with/without paper assignments

Review Terms for 5 Minutes - Pick chapters or just press play for quick study

Run Live R Demos in Browser - Excellent for online teaching

Links to More Resources for Teaching Political Analysis

Watch and Learn


Tukey-Kramer Post Hoc Test after One-Way ANOVA
From Todd Grande (15:35)

MORE VIDEOS: Lecture Videos for The Essentials of Political Analysis

Learn How-To Do It with Video Tutorials for R, Stata, SPSS, and Excel


How to Create Multiple Line Chart
Plotting two or more lines that have the same x-values (7:27).

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Details about Link to Histograms and Descriptive Statistics

URL: https://www.youtube.com/watch?v=SfdgCe7u_TU
DESCRIPTION: F. Chris Curran (6:51)
CATEGORY: Political Science Data
SUBFIELD: Political Science Data
RSS LINK: No
VIDEO: Yes

Details about Link to Histograms and Descriptive Statistics

URL: https://www.youtube.com/watch?v=SfdgCe7u_TU
DESCRIPTION: F. Chris Curran (6:51)
CATEGORY: Political Science Data
SUBFIELD: Political Science Data
RSS LINK: No
VIDEO: Yes

Details about Link to Histograms and Descriptive Statistics

URL: https://www.youtube.com/watch?v=SfdgCe7u_TU
DESCRIPTION: F. Chris Curran (6:51)
CATEGORY: Political Science Data
SUBFIELD: Political Science Data
RSS LINK: No
VIDEO: Yes

Details about Link to Histograms and Descriptive Statistics

URL: https://www.youtube.com/watch?v=SfdgCe7u_TU
DESCRIPTION: F. Chris Curran (6:51)
CATEGORY: Political Science Data
SUBFIELD: Political Science Data
RSS LINK: No
VIDEO: Yes