R: Data amendment Huanuco 2006

Hco2006 {agricolae} | R Documentation

## Data amendment Huanuco 2006

### Description

Incidents and performance of healthy tubers and rotten potato field infested with naturally Ralstonia solanacearum Race 3/Bv 2A, after application of inorganic amendments and a rotation crop in Huanuco Peru, 2006.

### Usage

    data(Hco2006)

### Format

The format is: List of 2

`amendment`

  a factor

`crop`

  a factor

`block`

  a numeric vector, replications

`plant`

  a numeric vector, number plant

`wilt_percent`

  a numeric vector, wilt percentage at 60 days

`health`

  a numeric vector, kg/8m2, 20 plants

`rot`

  a numeric vector, kg/8m2, 20 plants

### Details

Application of inorganic amendment and crop rotation to control bacterial wilt of the potato (MBP).

### Source

Experimental field, 2006. Data Kindly provided by Pedro Aley.

### References

International Potato Center. CIP - Lima Peru.

### Examples

    library(agricolae)
    data(Hco2006)
    str(Hco2006)
    wilt<-Hco2006$wilt
    yield<-Hco2006$yield
    means <- tapply.stat(wilt[,5],wilt[,1:3],function(x) mean(x,na.rm=TRUE))
    names(means)[4]<-"wilt_percent"
    model <- aov(wilt_percent ~ block + crop, means)
    anova(model)
    cv.model(model)
    yield<-yield[order(paste(yield[,1],yield[,2],yield[,3])),]
    correlation(means[,4],yield[,4],method="spearman")

[Package agricolae version 1.2-6 Index]