Created
September 13, 2017 05:25
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seq2seq calc source data
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import math | |
import csv | |
import random | |
random.seed(10) | |
n_numbers = 3 # how many numbers do we want to operate on | |
largest = 10 #largest INT | |
# Character set | |
character_set = ['0', '1', '2', '3', '4', '5', '6', '7', '8', '9', '+', '*', ' '] | |
data_dim = len(character_set) # size of our vocab; also one hot encoding size | |
input_seq_length = 8 # max_digit_len + n_operators = n_numbers*2 + 2 | |
output_seq_length = n_numbers + 1 #MAX Output Length | |
def get_sum_pairs(n_examples): | |
inputs, labels = list(), list() | |
char_to_int = dict((c, i) for i, c in enumerate(character_set)) # lookup table | |
for i in range(n_examples): | |
lhs = [random.randint(1, largest) for _ in range(n_numbers)] | |
op = random.choice(['+', '*']) | |
if op == '+': | |
rhs = sum(lhs) | |
elif op == '*': | |
rhs = 1 | |
for l in lhs: | |
rhs *= l | |
lhs = [str(l) for l in lhs] | |
lhs_str = " * ".join(lhs) if op == "*" else " + ".join(lhs) # + or * only | |
inputs.append(lhs_str) | |
labels.append(str(rhs)) | |
print len(inputs), len(labels) | |
return inputs, labels | |
def write_to_file(lines, path): | |
with open(path, 'ar') as f: | |
for line in lines: | |
f.write("".join(line) + '\n') | |
trainX, trainY = get_sum_pairs(10000) | |
devX, devY = get_sum_pairs(3000) | |
write_to_file(trainX, 'train.source') | |
write_to_file(trainY, 'train.target') | |
write_to_file(devX, 'dev.source') | |
write_to_file(devY, 'dev.target') |
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