# Data set of three species of Penicillium fungi

### Description

The data set `penicilliumYES`

has 36 rows and 3754 columns. The variables are
1st order statistics from multi-spectral images of three species of *Penicillium* fungi:
*Melanoconidium, Polonicum,* and *Venetum*.
These are the data used in the Clemmemsen et al "Sparse Discriminant Analysis" paper.

### Usage

1 |

### Format

This data set contains the following matrices:

- X
A matrix with 36 columns and 3754 rows. The training and test data. The first 12 rows are

*P. Melanoconidium*species, rows 13-24 are*P. Polonicum*species, and the last 12 rows are*P. Venetum*species. The samples are ordered so that each pair of three is from the same isolate.- Y
A matrix of dummy variables for the training data.

- Z
Z matrix of probabilities for the subcalsses of the training data.

### Details

The X matrix is not normalized.

### Source

### References

Clemmensen, Hansen, Frisvad, Ersboell (2007) "A method for comparison of growth
media in objective identification of Penicillium based on multi-spectral imaging"
*Journal of Microbiological Methods*

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