Is this an attribute?

[Robert]

Hi,

When I read a code snippet below, I find I don't know what 'self.framelogprob'
is on the child class.



////// parent class
class _BaseHMM(BaseEstimator):
    def __init__(self, n_components=1,
                 startprob_prior=1.0, transmat_prior=1.0,
                 algorithm="viterbi", random_state=None,
                 n_iter=10, tol=1e-2, verbose=False,
                 params=string.ascii_letters,
                 init_params=string.ascii_letters):
        self.n_components = n_components
......

    def score_samples(self, X, lengths=None):
        X = check_array(X)
        n_samples = X.shape[0]
        logprob = 0
        posteriors = np.zeros((n_samples, self.n_components))
        for i, j in iter_from_X_lengths(X, lengths):
            framelogprob = self._compute_log_likelihood(X[i:j])
.......
        return logprob, posteriors

////// child class
class StubHMM(_BaseHMM):
    def _compute_log_likelihood(self, X):
        return self.framelogprob
-------------

On Python web, it says that things after dot, such as a class name, are 
attributes. From this definition, 'framelogprob' is an attribute. But when
I run the command on Canopy:

h.framelogprob
---------------------------------------------------------------------------
AttributeError                            Traceback (most recent call last)
<ipython-input-19-970ee2f3402c> in <module>()
----> 1 h.framelogprob

AttributeError: 'StubHMM' object has no attribute 'framelogprob' 


it doesn't recognize it as an attribute. What is wrong with my 
understanding?


Thanks,