the clustering. FEATURES is an array corresponding to the columns to use for
clustering. For example, FEATURES = [0, 2] will use columns 0 and 2. Each
column being clustered is assumed to have numeric values. DELIM specifies the
text delimiter to use to break the file apart
"""
def cluster_from_file(file, features, delim):
x = fo.file_to_matrix(file, delim)
x_clus = cluster(x, features)
# we only care about data we can cluster
x_clus = prune_no_cluster_data(x_clus)
return x_clus
"""
Prints cluster information for the tweet data passed in. Only tweets which
are assigned a cluster in the DBSCAN algorithm are printed. Tweets are
clustered based on latitude and longitude data
"""
if __name__ == '__main__':
if select.select([sys.stdin,],[],[],0.0)[0]:
file = sys.stdin
else:
if len(sys.argv) != 2:
print("Usage: " + sys.argv[0] + " <data file> [OR] <stdin>")
exit(-1)
else:
file = open(sys.argv[1], 'r')
assert(file != None)
x_clus = cluster_from_file(file, [0, 1], constants.delim)
fo.print_matrix(x_clus)
def cluster_from_file(file, features, delim):
x = fo.file_to_matrix(file, delim)
x_clus = cluster(x, features)
# we only care about data we can cluster
x_clus = prune_no_cluster_data(x_clus)
return x_clus
"""
Prints cluster information for the tweet data passed in. Only tweets which
are assigned a cluster in the DBSCAN algorithm are printed. Tweets are
clustered based on latitude and longitude data
"""
if __name__ == '__main__':
if select.select([
sys.stdin,
], [], [], 0.0)[0]:
file = sys.stdin
else:
if len(sys.argv) != 2:
print("Usage: " + sys.argv[0] + " <data file> [OR] <stdin>")
exit(-1)
else:
file = open(sys.argv[1], 'r')
assert (file != None)
x_clus = cluster_from_file(file, [0, 1], constants.delim)
fo.print_matrix(x_clus)
return x
"""
Removes the column specified by TEXT_COL
"""
def strip_text(x, txt_col):
return np.delete(x, txt_col, axis = 1)
"""
A wrapper to the ANALYZE function, but reads the data in from a file
"""
def analyze_file(file, delim, text_col, include_zero_polarity):
x = fo.file_to_matrix(file, delim)
x_sentiment = analyze(x, text_col, include_zero_polarity)
return x_sentiment
if __name__ == '__main__':
if select.select([sys.stdin,],[],[],0.0)[0]:
file = sys.stdin
else:
if len(sys.argv) != 2:
print("Usage: " + sys.argv[0] + " <data file> [OR] <stdin>")
exit(-1)
else:
file = open(sys.argv[1], 'r')
assert(file != None)
x = analyze_file(file, constants.delim, -1, False)
x = strip_text(x, -3)
fo.print_matrix(x)
cnt = cnt + 1
if cnt % 1000 == 0:
sys.stderr.write("logged " + str(cnt) + " tweets\n")
sys.stderr.flush()
if cnt > n_tweets:
break
return np.matrix(tweets)
"""
Prints tweet data to stdout
"""
if __name__ == '__main__':
if len(sys.argv) != 6:
print("Usage: " + sys.argv[0] +
" <num tweets> <S.W. long> <S.W. lat> <N.E. long> <N.E. lat>")
exit(-1)
# build the coordinates in the correct order
for i in range(2, 6):
sys.argv[i] = int(sys.argv[i])
coords = []
coords.append(min(sys.argv[2], sys.argv[4]))
coords.append(min(sys.argv[3], sys.argv[5]))
coords.append(max(sys.argv[2], sys.argv[4]))
coords.append(max(sys.argv[3], sys.argv[5]))
tweets = get_tweets(int(sys.argv[1]), coords)
fo.print_matrix(tweets)
return np.delete(x, txt_col, axis=1)
"""
A wrapper to the ANALYZE function, but reads the data in from a file
"""
def analyze_file(file, delim, text_col, include_zero_polarity):
x = fo.file_to_matrix(file, delim)
x_sentiment = analyze(x, text_col, include_zero_polarity)
return x_sentiment
if __name__ == '__main__':
if select.select([
sys.stdin,
], [], [], 0.0)[0]:
file = sys.stdin
else:
if len(sys.argv) != 2:
print("Usage: " + sys.argv[0] + " <data file> [OR] <stdin>")
exit(-1)
else:
file = open(sys.argv[1], 'r')
assert (file != None)
x = analyze_file(file, constants.delim, -1, False)
x = strip_text(x, -3)
fo.print_matrix(x)
coords = tweet['coordinates']['coordinates']
tweets.append([coords[1], coords[0], text])
cnt = cnt + 1
if cnt % 1000 == 0:
sys.stderr.write("logged " + str(cnt) + " tweets\n")
sys.stderr.flush()
if cnt > n_tweets:
break
return np.matrix(tweets)
"""
Prints tweet data to stdout
"""
if __name__ == '__main__':
if len(sys.argv) != 6:
print("Usage: " + sys.argv[0] + " <num tweets> <S.W. long> <S.W. lat> <N.E. long> <N.E. lat>")
exit(-1)
# build the coordinates in the correct order
for i in range(2, 6):
sys.argv[i] = int(sys.argv[i])
coords = []
coords.append(min(sys.argv[2], sys.argv[4]))
coords.append(min(sys.argv[3], sys.argv[5]))
coords.append(max(sys.argv[2], sys.argv[4]))
coords.append(max(sys.argv[3], sys.argv[5]))
tweets = get_tweets(int(sys.argv[1]), coords)
fo.print_matrix(tweets)