def get_stats(results):
""" Produces statistics for various metrics from many runs
INPUT:
results is a dictionary: {id : [{}, {}, {}]}
OUTPUT:
DataFrame with statistics on different parameters
"""
ret = OrderedDict()
for id_, res_list in results.items():
average_res = OrderedDict()
metrics = res_list[0].keys()
for metric in metrics:
try:
metric_results = [float(result[metric]) for result in res_list]
stats = Stats(intigerize(min(metric_results)),
intigerize(max(metric_results)),
intigerize(mean(metric_results)),
intigerize(median(metric_results)),
intigerize(stddev(metric_results)))
average_res[metric] = stats
except ValueError:
# we fall back here is every run was executed only once
average_res[metric] = res_list[0][metric]
ret[id_] = average_res
return ret
def create_main_node(tableT, table):
income_low_average = helper.mean(tableT[2])
income_hgh_average = helper.mean(tableT[3])
working_seAk = helper.seAk(tableT[4])
node = Node()
for row in table:
city = row[0]
affil = row[1]
income = 'low' if row[3] < income_hgh_average else 'high'
working = 'low' if row[4] < working_seAk[0] else (
'high' if row[4] < working_seAk[1] else 'medium')
node.vec.append((city, affil, income, working))
return node
def __init__(self,data):
for i in range(len(data)):
self.Mean.append(hp.mean(data[i]))
X = [[] for i in range(3)]
Y = [[] for i in range(3)]
sum=0
for i in np.arange(min1,max,0.1):
for j in np.arange(miny,may,0.1):
sum=sum+1
G = [ 0 for i in range(3)]
for k in range(3):
G[k] = self.get_Gx(i,j,k);
C=G.index(max(G));
X[C].append(i)
Y[C].append(j)
print sum
for i in range(3):
prob[i]=len(X[i])/sum
print(prob[i])
# plt.plot(X[0],Y[0],colour='Red',label= "Class_1")
# plt.plot(X[1],Y[1],colour='Blue',label= "Class_1")
# plt.plot(X[2],Y[2],colour='Black',label= "Class_1")
# plt.show()
c1_mat = hp.get_mat(data[0])
c2_mat = hp.get_mat(data[1])
c3_mat = hp.get_mat(data[2])
for i in range(2):
for j in range(2):
if i==j:
self.matrix[i][j]=c1_mat[i][j]+c2_mat[i][j]+c3_mat[i][j]
self.matrix[i][j]/3
else:
self.matrix[i][j]=0
for i in range(2):
self.var = self.var+self.matrix[i][i]
self.var=self.var/2;
self.matrix[0][0]=self.var
self.matrix[1][1]=self.var
print "variance:",self.var
# setting line parameters
for i in range(len(data)):
self.W[i][0] = self.Mean[i][0]/self.var
self.W[i][1] = self.Mean[i][1]/self.var
self.W[i][2] = np.log(self.prob[i])-((self.Mean[i][0]*self.Mean[i][0]+self.Mean[i][1]*self.Mean[i][1]))/(2*self.var)
async def main_loop(app):
state = app['state']
state['buffer'] = []
state['client'] = None
state['current_run'] = None
rates = []
msg = ["Results:"]
try:
while True:
outs = helper.update_client(state, timeout=1)
if outs is not None:
if outs.timeout:
points = (0 if state['current_run'] is None else
state['current_run'][0])
rates.append(points / STATIONS)
msg.append("- Timeout (partial run possible)")
state['current_run'] = None
elif outs.code != 0:
helper.eprint(outs, state['current_run'])
points = (0 if state['current_run'] is None else
state['current_run'][0])
rates.append(points / STATIONS)
msg.append(f"- Runtime error (partial run possible)\n")
state['current_run'] = None
elif state['current_run'] is None:
msg.append("- Session wasn't started")
rates.append(0)
else:
msg.append("- Normal run (either good or bad)")
rates.append(state['current_run'][0] / STATIONS)
state['current_run'] = None
elif state['current_run']:
if state['current_run'][1] is None:
helper.eprint("early_bird", state['current_run'])
msg.append("- Normal run (either good or bad)")
rates.append(state['current_run'][0] / STATIONS)
helper.kill_client(state)
state['current_run'] = None
await asyncio.sleep(0.005)
if len(rates) >= 20:
score = helper.mean(rates)
helper.exit_grader(score, "\n".join(msg))
except asyncio.CancelledError:
pass
except Exception as e:
helper.bail_exception()
def __init__(self, data):
self.class_data = data
for i in range(len(data)):
self.Mean.append(hp.mean(data[i]))
c1_mat = hp.get_mat(data[0])
c2_mat = hp.get_mat(data[1])
c3_mat = hp.get_mat(data[2])
for i in range(2):
for j in range(2):
self.matrix[i][j] = c1_mat[i][j] + c2_mat[i][j] + c3_mat[i][j]
self.matrix[i][j] = self.matrix[i][j] / 3
inv = np.linalg.inv(self.matrix)
for i in range(len(data)):
mn = np.matrix(self.Mean[i]).transpose()
term = np.dot(inv, mn)
# print(mn.transpose())
self.W[i].append(-0.5 * inv)
self.W[i].append(term.transpose())
self.W[i].append(-0.5 * (np.log(np.linalg.det(self.matrix)) +
np.dot(mn.transpose(), term)))
def evaluate(self,
query_id='all',
metric='F',
method='ltn-lnn',
verbose=False):
should_divide = (method[2] == 'c')
scores = []
for i, (q, res) in enumerate(self.q_and_res_path(query_id)):
with open(q, 'r') as f:
lines = f.read().split('\n')
if len(lines) < 1:
raise ValueError('file has no lines')
query_title = lines[0]
if len(lines) > 1 and len(lines[1].replace(' ', '')) > 0:
query_text = lines[1]
else:
query_text = query_title
# if verbose:
# print("Query title: %s, query text: %s" % (query_title, query_text))
# print('\n'.join(map(str, Text_cleaner.query_cleaner(query_title))))
top_k = self.retrieval_index.query(query_title, query_text,
should_divide)
with open(res, 'r') as f:
real_best = f.read().replace(',', '').split()
scores.append(IREvaluator.funcs[metric](real_best, top_k))
if verbose:
print(top_k)
print(query_text)
print(query_title)
print(real_best)
print("i = %d, q = %s" % (i, q))
# print("query = %s" % query_title)
print("metric = %s, Element %.2f, runing mean = %.2f" %
(metric, scores[-1], mean(scores)))
print()
assert len(scores) > 0
return sum(scores) / len(scores)
def __init__(self, data):
self.class_data = data
for i in range(len(data)):
self.Mean.append(hp.mean(data[i]))
self.matrix[0] = hp.get_mat(data[0])
self.matrix[1] = hp.get_mat(data[1])
self.matrix[2] = hp.get_mat(data[2])
for i in range(2):
for j in range(2):
if i != j:
self.matrix[0][i][j] = 0
self.matrix[1][i][j] = 0
self.matrix[2][i][j] = 0
for i in range(len(data)):
inv = np.linalg.inv(self.matrix[i])
mn = np.matrix(self.Mean[i]).transpose()
term = np.dot(inv, mn)
# print(mn.transpose())
self.W[i].append(-0.5 * inv)
self.W[i].append(term.transpose())
self.W[i].append(-0.5 * (np.log(np.linalg.det(self.matrix[i])) +
np.dot(mn.transpose(), term)))
# K points are chosen randomly from data as mean
mean = fun.set_random_mean(data, k)
itr = 0
final_distortion = 999999.9
init_distortion = 0.0
while (abs(final_distortion - init_distortion) > error):
cluster = [[] for i in range(k)]
itr = itr + 1
init_distortion = final_distortion
final_distortion = 0
for point in data:
assigned_cluster, min_distortion = fun.get_Cluster(point, mean, k)
cluster[assigned_cluster].append(point)
final_distortion = final_distortion + min_distortion
for i in range(k):
mean[i] = fun.mean(cluster[i])
print("Iteration:", itr, " Distortion measure Error:",
abs(final_distortion - init_distortion))
colour = fun.get_random_colour(k)
for t in range(k):
for data in cluster[t]:
plt.plot(data[0],
data[1],
color=colour[t],
marker='o',
markersize=1)
plt.savefig(sys.argv[1] + "_cluster_" + str(k) + ".png")
# Q8: What are the minimum, mean, median, and maximum salaries?
import helper
data = helper.read_salaries()
salaries = []
# TODO: get non-empty salaries from data
print('Minimum:', min(salaries))
print('Mean:', helper.mean(salaries))
print('Median:', helper.median(salaries))
print('Maximum:', max(salaries))
#!/usr/bin/env python
from matplotlib import pyplot as plt
from collections import Counter
import random
import helper
xs = [random.uniform(0, 100) for _ in range(0, 100)]
ys = [random.uniform(0, 100) for _ in range(0, 100)]
min_xs = min(xs)
max_xs = max(xs)
length = len(xs)
mean_xs = helper.mean(xs)
variance_xs = helper.variance(xs)
std_xs = helper.std(xs)
median_xs = helper.median(xs)
data_range_xs = helper.data_range(xs)
print("min: %s" % min_xs)
print("max: %s" % max_xs)
print("varaince: %s" % variance_xs)
print("std: %s" % std_xs)
print("length: %s" % length)
print("mean: %s" % mean_xs)
print("median: %s" % median_xs)
print("range: %s" % data_range_xs)
covariance_xsys = helper.covariance(xs, ys)
correlation_xsys = helper.correlation(xs, ys)
print("covariance: %s" % covariance_xsys)
