def subsample(self, n, seed=87):
"""Subsample without replacement. Return a new TSTData """
if n > self.X.shape[0] or n > self.Y.shape[0]:
raise ValueError('n should not be larger than sizes of X, Y.')
ind_x = util.subsample_ind(self.X.shape[0], n, seed)
ind_y = util.subsample_ind(self.Y.shape[0], n, seed)
return TSTData(self.X[ind_x, :], self.Y[ind_y, :], self.label)
def subsample(self, n, seed=87):
"""Subsample without replacement. Return a new TSTData """
if n > self.X.shape[0] or n > self.Y.shape[0]:
raise ValueError('n should not be larger than sizes of X, Y.')
ind_x = util.subsample_ind( self.X.shape[0], n, seed )
ind_y = util.subsample_ind( self.Y.shape[0], n, seed )
return TSTData(self.X[ind_x, :], self.Y[ind_y, :], self.label)
def sample(self, n, seed=981):
if 2*n > self.X.shape[0]:
raise ValueError('2*n=%d exceeds the size of X = %d'%(2*n, self.X.shape[0]))
ind = util.subsample_ind(self.X.shape[0], 2*n, seed)
#print ind
x = self.X[ind[:n]]
y = self.X[ind[n:]]
assert(x.shape[0]==y.shape[0])
return TSTData(x, y)
def sample(self, n, seed=981):
if 2*n > self.X.shape[0]:
raise ValueError('2*n=%d exceeds the size of X = %d'%(2*n, self.X.shape[0]))
ind = util.subsample_ind(self.X.shape[0], 2*n, seed)
#print ind
x = self.X[ind[:n]]
y = self.X[ind[n:]]
assert(x.shape[0]==y.shape[0])
return TSTData(x, y)