class_docstr: Appends a zero starting vector to every path.
  
  Introduced in: https://arxiv.org/pdf/2001.00706.pdf
class_docstr_tok: ["Appends","a","zero","starting","vector","to","every","path",".","Introduced","in",":","https",":","\/\/arxiv.org\/pdf\/2001.00706.pdf"]
code: def _transform(self, X, y=None):
      X = np.swapaxes(X, 1, 2)
      zero_vec = np.zeros(shape=(X.shape[0], 1, X.shape[2]))
      Xt = np.concatenate((zero_vec, X), axis=1)
      return np.swapaxes(Xt, 1, 2)
  
imports: import numpy
  from sklearn.pipeline import Pipeline
  from sktime.transformations.base import BaseTransformer
label_desc: Use image node_id 1 for calling the _BasePoint obj's underlying member method code with example usage: obj._transform(X, y) and returns: np