Skip to content

Added seed as a kwarg in ppca.fit() #13

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
danivolo wants to merge 1 commit into
base: master
Choose a base branch
from
Open

Added seed as a kwarg in ppca.fit() #13

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
9 changes: 6 additions & 3 deletions ppca/_ppca.py
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -22,7 +22,10 @@ def _standardize(self, X):

return (X - self.means) / self.stds

def fit(self, data, d=None, tol=1e-4, min_obs=10, verbose=False):
def fit(self, data, d=None, tol=1e-4, min_obs=10, verbose=False, seed=None):

if seed is not None:
np.random.seed(seed)

self.raw = data
self.raw[np.isinf(self.raw)] = np.max(self.raw[np.isfinite(self.raw)])
Expand All @@ -45,7 +48,7 @@ def fit(self, data, d=None, tol=1e-4, min_obs=10, verbose=False):

if d is None:
d = data.shape[1]

if self.C is None:
C = np.random.randn(D, d)
else:
Expand Down Expand Up @@ -131,7 +134,7 @@ def _calc_var(self):
def save(self, fpath):

np.save(fpath, self.C)

def load(self, fpath):

assert os.path.isfile(fpath)
Expand Down