Description Usage Arguments Details Value
To generate multipal normal data set with three clusters
1 | my.normdata.gen(u, p, nobs, nvar)
|
u |
The parameters to contral the overlap degree among clusters. The cluster centers are (-u,u),(u,u),(u,-u) respectively. The larger u, the clusters more separated |
p |
Total number of variables |
nobs |
Number of observations |
nvar |
Number of informative variables, nvar takes even value; |
To generate a multiple normal dataset with three clusters, the first nvar varialbes are informative, and the remaining p-nvar are non-informative variables. The three clusters are separated when u is large, and overlapped when u is small.
x |
Multiple normal dataset generated |
y |
The true cluster assignment for the generated x dataset |
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