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Table 1 Meaning of notation

From: A temporal visualization of chronic obstructive pulmonary disease progression using deep learning and unstructured clinical notes

Notations

Interpretation

V

total number of words in our vocabulary of word embeddings

v

dimension of word embeddings in vector space

T

maximum words in each input document used for word embeddings

D

total number of samples; each sample formed by COPD notes within one day

B

Initial quantity of regular time interval used in LSTM

N = D/B

total number of batches

L

number of hidden units in the LSTM cell

P

number of predicted classes