# Dose-response microarray example data

### Description

This dose-response microarray data contains 1000 genes and 4 doses (one control dose, i.e., zero dose, and three increasing doses) with 3 arrays at each dose level.

### Usage

1 |

### Format

A data frame with 1000 observations on the following 12 variables.

`X1`

Sample one with zero dose

`X1.1`

Sample two with zero dose

`X1.2`

Sample three with zero dose

`X2`

Sample one with second dose

`X2.1`

Sample two with second dose

`X2.2`

Sample three with second dose

`X3`

Sample one with third dose

`X3.1`

Sample two with third dose

`X3.2`

Sample three with third dose

`X4`

Sample one with fourth dose

`X4.1`

Sample two with fourth dose

`X4.2`

Sample three with fourth dose

### References

Testing for Trend in Dose-Response Microarray Experiments: a Comparison of Testing Procedures, Multiplicity, and Resampling-Based Inference, Lin et al. 2007, Stat. App. in Gen. & Mol. Bio., 6(1), article 26.

### Examples

1 2 3 4 | ```
data(exampleData)
x <- c(rep(1,3),rep(2,3),rep(3,3),rep(4,3))
gene1 <- as.numeric(exampleData[1,])
IsoPlot(x, gene1)
``` |

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