How to do one-way ANOVA in r language

This article mainly introduces the relevant knowledge of "how to do one-way ANOVA in r language". The editor shows you the operation process through an actual case, and the operation method is simple, fast and practical. I hope this article "how to do one-way ANOVA in r language" can help you solve the problem.

1. Import software package and data library (agricolae)

Data (sweetpotato) 2, view data types

It can be seen that the data are divided into two columns, the first is classified as different virus types, and the second is listed as yield, in order to study the effect of different virus infection on yield.

> head (sweetpotato)

Virus yield

1 cc 28.5

2 cc 21.7

3 cc 23.0

4 fc 14.9

5 fc 10.6

6 fc 13.13, modeling in R language

Factor: virus

Variable: yield

Model summary (model)

Df Sum Sq Mean Sq F value Pr (> F)

Virus 3 1170.2 390.1 17.34 0.000733 * *

Residuals 8 179.9 22.5

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Signif. Codes:

0'* 0.001', multiple comparisons:

The LSD method is used for multiple comparison here.

Out out$groups

Yield groups

Oo 36.90000 a

Ff 36.33333 a

Cc 24.40000 ab

Fc 12.86667 b6, multiple comparison mapping plot (out)

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