python中的lda包怎么用

Question

python中的lda包怎么用

Answer 1

安装$ pip install lda --user示例from&nbsp;__future__ import division, print_functionimport numpy as npimport ldaimport lda.datasets# document-term matrixX = lda.datasets.load_reuters()print("type(X): {}".format(type(X)))print("shape: {}\n".format(X.shape))print(X[:5, :5])'''输出：type(X): <type 'numpy.ndarray'>shape: (395L, 4258L)[[ 1 0 1 0 0][ 7 0 2 0 0][ 0 0 0 1 10][ 6 0 1 0 0][ 0 0 0 2 14]]'''

Answer 2

参数：formulaA formula of the form groups ~ x1 + x2 + ... That is, the response is the grouping factor and the right hand side specifies the (non-factor) discriminators.一个公式的形式groups ~ x1 + x2 + ...也就是说，响应分组因素，并在右侧指定鉴（非因子）。