def fit(self, data):
"""Estimate principal components
Parameters
----------
data : RDD of (tuple, array) pairs, or RowMatrix
"""
if type(data) is not RowMatrix:
data = RowMatrix(data)
data.center(0)
svd = SVD(k=self.k, method=self.svdmethod)
svd.calc(data)
self.scores = svd.u
self.latent = svd.s
self.comps = svd.v
return self
def fit(self, data):
"""Estimate principal components
Parameters
----------
data : RDD of (tuple, array) pairs, or RowMatrix
"""
if type(data) is not RowMatrix:
data = RowMatrix(data)
data.center(0)
svd = SVD(k=self.k, method=self.svdmethod)
svd.calc(data)
self.scores = svd.u
self.latent = svd.s
self.comps = svd.v
return self
