skIncrPCA {BiocSklearn} | R Documentation |
use sklearn IncrementalPCA procedure
skIncrPCA(mat, n_components = 2L, batch_size = 5L, ...)
mat |
a matrix – can be R matrix or numpy.ndarray, if the latter it must be set up in a basilisk persistent environment, and that is not currently demonstrated for this package. |
n_components |
number of PCA to retrieve |
batch_size |
number of records to use at each iteration |
... |
passed to python IncrementalPCA |
matrix with rotation
dem = skIncrPCA(iris[,1:4], batch_size=25L) ## Not run: # this is the unsupported way irloc = system.file("csv/iris.csv", package="BiocSklearn") irismat = SklearnEls()$np$genfromtxt(irloc, delimiter=',') ski = skIncrPCA(irismat) ski25 = skIncrPCA(irismat, batch_size=25L) # non-default getTransformed(ski)[1:3,] getTransformed(ski25)[1:3,] ## End(Not run) # end dontrun dem = skIncrPCA(iris[,1:4], batch_size=25L, n_components=2L) dem