def write_wifi_features_for_knn():
for i in range(1, 16):
id_y, label = get_y(i)
label = LABELS[i-1]
output_fp = os.path.join(cur_dir, 'data', 'matrix_data', 'for_knn', 'wifi_features', label + '.csv')
fw = open(output_fp, 'a')
all_features = {}
features = ['edit_dist', 'start_time_var', 'end_time_var']
for feature in features:
id_feature = read_feature(feature)
all_features[feature] = id_feature
labels = ['subject_id']
labels.extend(features)
labels.append(label)
fw.write(','.join(labels) + '\n')
for id in ids:
line = [id]
for feature in features:
line.append(all_features[feature][id])
if id in id_y:
line.append(str(id_y[id]))
else:
line.append('')
fw.write(','.join(line) + '\n')
fw.close()
def plot(result):
id_y, label = get_y(3)
y_values = []
for id in WIFI_ID_HOME:
#print id
y_values.append(id_y[str(int(id))])
plt.scatter(result, y_values)
plt.show()
def write_histogram_to_csv():
for i in range(1, 16):
print i
id_y, label = get_y(i)
label = LABELS[i-1]
print label
output_fp = os.path.join(cur_dir, 'data', 'matrix_data', 'for_knn', 'freq_histogram', label + '.csv')
fw = open(output_fp, 'a')
addr_dir = os.path.join(cur_dir, 'data', 'gps_osm')
for file in os.listdir(addr_dir):
if not file.endswith('.csv'):
continue
fp = os.path.join(addr_dir, file)
id = file.split('.')[0][-2:]
change_dt = get_change_date(fp)
complete, by_complete_dates = get_complete_days(fp, change_dt)
if len(complete) < 30:
continue
print
print 'subject id: ' + id
if not id in id_y:
continue
#sample_days = random.sample(complete, NUM_DAYS)
sample_days = complete[:NUM_DAYS]
loc_freq = get_loc_freq(sample_days, by_complete_dates)
loc_freq = merge_homes(loc_freq, id)
all_loc_freq = get_all_loc_freq(loc_freq)
all_loc_freq = sorted(all_loc_freq.items(), key=lambda item: item[0])
line = [str(item[1]) for item in all_loc_freq]
line.append(str(id_y[id]))
fw.write(','.join(line) + '\n')
fw.close()