PRACTICALS' GUIDES (in English)

Practical 1.   [ March 4, 2011 ]
Descriptive statistics, data management and diagrams with MS Excel

Guide: DK_praks1.pdf
Dataset: kalad.xls

Excel 2007/2010 help:

• Menus and commands in new Excel 2007/2010: http://www.rondebruin.nl/0307commands.htm
• Help for Excel 2010: http://office.microsoft.com/en-us/excel/FX100646951033.aspx

Practical 2.   [ March 11, 2011 ]
Introduction to R. Descriptive statistics and diagrams in R. Comparison of two groups in R

Guides: DK_prax21.pdf , DK_prax22_eng.txt

The last is the R script; save it and open straight in R (Fail -> Open Script ...)
Perform the commands step by step and add the comments if wanted, add the commands to perform asked analyses. Save the script

Dataset: studentsR_eng.xls

Practical 3.   [ March 18, 2011 ]
R module Rcmdr. Descriptive statistics, diagrams and comparison of two groups

Guides: DK_prax3_eng.pdf
Datasets: studentsR_eng.xls

For help: Rcmdr_mooduli_install.pdf
http://socserv.socsci.mcmaster.ca/jfox/Misc/Rcmdr/Getting-Started-with-the-Rcmdr.pdf

Practical 4.   [ March 25, 2011 ]
Relationships between variables (frequency tables, correlation and regression analysis in R)

Guide: DK_prax4_eng.pdf
Dataset: studentsR_eng.xls

Practical 5.   [ April 1, 2011 ]
Analysis of variance. Tests and linear models in R

Guide: DK_prax5_eng.pdf
Datasets: studentsR.xls , kala.xls

Practical 6.   [ April 8, 2011 ]
Mixed models in R

Guide: DK_prax6_eng.pdf
Datasets: saagikus.rda , vasikas.xls

Practical 7.   [ April 15, 2011 ]
Logistic regression, odds ratio, ROC-curve

Guide: DK_prax7_eng.R (this is commented R-script, which covers 2/3 of the todays exercises; instead of or additionally to this file you may follow also the Estonian version of todays practical guide, Estonian version is illustrated and has some analyses more)
Dataset: puud.rda

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Practical 8.   [ April 29, 2011 ]
Cluster analysis, principal components analysis

Guide: DK_prax8_eng.R
Dataset: puud.rda