David M. Francis, The Ohio State University
This module provides an example of using analysis of variance (ANOVA) to assess differences in tomato bacterial spot resistance due to molecular marker genotype (treatment effect) to determine whether genotype of each molecular marker results in differences in disease severity in a BC1 population.
The following links provide:
The SAS code is presented in two ways:
- As a screenshot taken from SAS after the code has been entered (Fig.1)
- As plain text
Figure 1. SAS Screenshot taken after SAS code for analysis of variance in a balanced population was entered. Screenshot credit: David Francis, The Ohio State University.
Plain Text SAS Code
infile ‘a:\lnkspt.csv’; delimiter = “,” firstobs = 4;
input gen vsc pop tg23 pto;
model pop = tg23;
means tg23 / lsd lines;
model pop = pto;
means pto / lsd lines;
Development of this page was supported in part by the National Institute of Food and Agriculture (NIFA) Solanaceae Coordinated Agricultural Project, agreement 2009-85606-05673, administered by Michigan State University. Any opinions, findings, conclusions, or recommendations expressed in this publication are those of the author(s) and do not necessarily reflect the view of the United States Department of Agriculture.