class_docstr: LIT model API implementation for PCA.
code: def __init__(self, **pca_kw):
      self._fitted = False
      self._num_components = pca_kw["n_components"]
  
file_path: lit/lit_nlp/components/pca.py
imports: from absl import logging
  from lit_nlp.api import model
  from lit_nlp.lib import utils
  import numpy
label_desc: Use image node_id 1 to create a new PCAModel object from inherited base classes: model with example: obj = PCAModel()