Description Usage Arguments Value Author(s) References See Also Examples

Plot classifications corresponding to successive combined solutions.

1 |

`data` |
The data. |

`z` |
A matrix whose [i,k]th entry is the probability that observation i in the data belongs to the kth class, for the initial solution (ie before any combining). Typically, the one returned by |

`combiM` |
A "combining matrix" (as provided by |

`...` |
Other arguments to be passed to the |

Plot the classifications obtained by MAP from the matrix `t(combiM %*% t(z))`

, which is the matrix whose [i,k]th entry is the probability that observation i in the data belongs to the kth class, according to the combined solution obtained by merging (according to `combiM`

) the initial solution described by `z`

.

J.-P. Baudry, A. E. Raftery, L. Scrucca

J.-P. Baudry, A. E. Raftery, G. Celeux, K. Lo and R. Gottardo (2010). Combining mixture components for clustering. *Journal of Computational and Graphical Statistics, 19(2):332-353.*

`clustCombi`

, `combMat`

, `clustCombi`

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 | ```
## Not run:
data(Baudry_etal_2010_JCGS_examples)
MclustOutput <- Mclust(ex4.1)
MclustOutput$G # Mclust/BIC selected 6 classes
par(mfrow=c(2,2))
combiM0 <- diag(6) # is the identity matrix
# no merging: plot the initial solution, given by z
combiPlot(ex4.1, MclustOutput$z, combiM0, cex = 3)
title("No combining")
combiM1 <- combMat(6, 1, 2) # let's merge classes labeled 1 and 2
combiM1
combiPlot(ex4.1, MclustOutput$z, combiM1)
title("Combine 1 and 2")
# let's merge classes labeled 1 and 2, and then components labeled (in this
# new 5-classes combined solution) 1 and 2
combiM2 <- combMat(5, 1, 2) %*% combMat(6, 1, 2)
combiM2
combiPlot(ex4.1, MclustOutput$z, combiM2)
title("Combine 1, 2 and then 1 and 2 again")
plot(0,0,type="n", xlab = "", ylab = "", axes = FALSE)
legend("center", legend = 1:6,
col = mclust.options("classPlotColors"),
pch = mclust.options("classPlotSymbols"),
title = "Class labels:")
## End(Not run)
``` |

```
Package 'mclust' version 5.4.7
Type 'citation("mclust")' for citing this R package in publications.
[1] 6
[,1] [,2] [,3] [,4] [,5] [,6]
[1,] 1 1 0 0 0 0
[2,] 0 0 1 0 0 0
[3,] 0 0 0 1 0 0
[4,] 0 0 0 0 1 0
[5,] 0 0 0 0 0 1
[,1] [,2] [,3] [,4] [,5] [,6]
[1,] 1 1 1 0 0 0
[2,] 0 0 0 1 0 0
[3,] 0 0 0 0 1 0
[4,] 0 0 0 0 0 1
```

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