def post_dataset(DataSet):
DataSet['weight'] = DataSet.apply(
lambda x: get_weights(x['tweetRetweetCt'], x['tweetFavoriteCt'], x['sentiment'],
x['verified'], x['followerCount']), axis=1)
DataSet.drop_duplicates(subset='tweetText', keep='first', inplace=True)
DataSet.sort_values('weight', ascending=False)
return DataSet
def format_data_lighthousestudio(csv_data, csv_labels, weighing_method):
''' Format data from Lighthouse Studio from Sawtooth Software
'''
num_of_attributes = len(csv_labels)
attr_index = 1
for attribute_name, attribute in csv_labels.items():
# Generate level data
# Initiate empty lists
attribute['values'] = []
attribute['pos_error'] = []
attribute['neg_error'] = []
# Loop over each level and calculate mean and std
for level in attribute['level_col_names']:
level_data = csv_data[level]
level_mean = level_data.mean()
level_std = level_data.std()
attribute['values'].append(level_mean)
if level_mean + level_std < attribute['max_value_level']:
attribute['pos_error'].append(level_std)
else:
attribute['pos_error'].append(attribute['max_value_level'] - level_mean)
if level_mean - level_std > attribute['min_value_level']:
attribute['neg_error'].append(level_std)
else:
attribute['neg_error'].append(abs(attribute['min_value_level'] - level_mean))
# Generate rank score for attribute, see https://help.surveymonkey.com/articles/en_US/kb/How-do-I-create-a-Ranking-type-question
attribute_rank = 0
for i in range(1, num_of_attributes + 1):
attribute_rank += csv_data['Ranking_' + str(i)].tolist().count(attribute['ranking_id']) * (num_of_attributes + 1 - i)
attribute['rank'] = attribute_rank
# Generate actual weights list from method
weights = get_weights(weighing_method, num_of_attributes)
# Sort csv_labels by highest rank and add weights and index into attributes by iterating
attributes = dict(sorted(csv_labels.items(), key=lambda k: -k[1]['rank']))
for attribute_name, attribute in attributes.items():
attribute['weight'] = weights[0]
weights.pop(0)
attribute['index'] = attr_index
attr_index += 1
return attributes
def _get_cparameters(self, model): # creates a c-array which holds parameter values (expected by c-model)
is32bit = sizeof(c_size_t) == 4
#print model_info
#print parameters
# determine size and offsets
data_size = 0
offsets = []
poly = {}
for p in model.model_info.parameters:
offsets.append(data_size)
if p.name not in model.dispersion:
data_size += sizeof(c_size_t) # size_t type = ParameterType.Simple;
data_size += sizeof(c_double) # double value;
else:
relative = (p.flags & ~ParameterFlags.Polydisperse) != 0
w = get_weights(model.dispersion[p.name], model.params[p.name],
p.dispmin, p.dispmax, relative)
poly[p.name] = w
npoints = len(w)/2
data_size += sizeof(c_size_t) # size_t type = ParameterType.Polydisperse;
data_size += sizeof(c_size_t) # size_t npoints;
data_size += sizeof(c_double) * npoints # double values[npoints];
data_size += sizeof(c_double) * npoints # double weights[npoints];
offsets.append(data_size)
data_size += sizeof(c_size_t) # size_t type = ParameterType.End;
# determine header size
header_size = sizeof(c_size_t) # size_t count;
header_size += sizeof(c_size_t) * len(offsets) # size_t offsets[count];
# create buffer
buffer = create_string_buffer(header_size + data_size)
# write header
if is32bit:
struct.pack_into('I%iI' % len(offsets), buffer, 0, len(offsets), *offsets)
else:
struct.pack_into('Q%iQ' % len(offsets), buffer, 0, len(offsets), *offsets)
# wrtie data
offset = header_size
for p in model.model_info.parameters:
if p.name not in model.dispersion:
if is32bit:
struct.pack_into('I', buffer, offset, ParameterType.Simple)
else:
struct.pack_into('Q', buffer, offset, ParameterType.Simple)
offset += sizeof(c_size_t) # size_t type = ParameterType.Simple;
struct.pack_into('=d', buffer, offset, model.params[p.name])
offset += sizeof(c_double) # double value;
else:
w = poly[p.name]
npoints = len(w)/2
if is32bit:
struct.pack_into('II', buffer, offset, ParameterType.Polydisperse, npoints)
else:
struct.pack_into('QQ', buffer, offset, ParameterType.Polydisperse, npoints)
offset += sizeof(c_size_t) # size_t type = ParameterType.Polydisperse;
offset += sizeof(c_size_t) # size_t npoints;
format = '=%id' % npoints
struct.pack_into(format, buffer, offset, *w[0::2])
offset += sizeof(c_double) * npoints # double values[npoints];
struct.pack_into(format, buffer, offset, *w[1::2])
offset += sizeof(c_double) * npoints # double weights[npoints];
# write end
if is32bit:
struct.pack_into('I', buffer, offset, ParameterType.End)
else:
struct.pack_into('Q', buffer, offset, ParameterType.End)
return buffer
def _get_cparameters(
self, model
): # creates a c-array which holds parameter values (expected by c-model)
is32bit = sizeof(c_size_t) == 4
#print model_info
#print parameters
# determine size and offsets
data_size = 0
offsets = []
poly = {}
for p in model.model_info.parameters:
offsets.append(data_size)
if p.name not in model.dispersion:
data_size += sizeof(
c_size_t) # size_t type = ParameterType.Simple;
data_size += sizeof(c_double) # double value;
else:
relative = (p.flags & ~ParameterFlags.Polydisperse) != 0
w = get_weights(model.dispersion[p.name], model.params[p.name],
p.dispmin, p.dispmax, relative)
poly[p.name] = w
npoints = len(w) / 2
data_size += sizeof(
c_size_t) # size_t type = ParameterType.Polydisperse;
data_size += sizeof(c_size_t) # size_t npoints;
data_size += sizeof(
c_double) * npoints # double values[npoints];
data_size += sizeof(
c_double) * npoints # double weights[npoints];
offsets.append(data_size)
data_size += sizeof(c_size_t) # size_t type = ParameterType.End;
# determine header size
header_size = sizeof(c_size_t) # size_t count;
header_size += sizeof(c_size_t) * len(
offsets) # size_t offsets[count];
# create buffer
buffer = create_string_buffer(header_size + data_size)
# write header
if is32bit:
struct.pack_into('I%iI' % len(offsets), buffer, 0, len(offsets),
*offsets)
else:
struct.pack_into('Q%iQ' % len(offsets), buffer, 0, len(offsets),
*offsets)
# wrtie data
offset = header_size
for p in model.model_info.parameters:
if p.name not in model.dispersion:
if is32bit:
struct.pack_into('I', buffer, offset, ParameterType.Simple)
else:
struct.pack_into('Q', buffer, offset, ParameterType.Simple)
offset += sizeof(
c_size_t) # size_t type = ParameterType.Simple;
struct.pack_into('=d', buffer, offset, model.params[p.name])
offset += sizeof(c_double) # double value;
else:
w = poly[p.name]
npoints = len(w) / 2
if is32bit:
struct.pack_into('II', buffer, offset,
ParameterType.Polydisperse, npoints)
else:
struct.pack_into('QQ', buffer, offset,
ParameterType.Polydisperse, npoints)
offset += sizeof(
c_size_t) # size_t type = ParameterType.Polydisperse;
offset += sizeof(c_size_t) # size_t npoints;
format = '=%id' % npoints
struct.pack_into(format, buffer, offset, *w[0::2])
offset += sizeof(c_double) * npoints # double values[npoints];
struct.pack_into(format, buffer, offset, *w[1::2])
offset += sizeof(
c_double) * npoints # double weights[npoints];
# write end
if is32bit:
struct.pack_into('I', buffer, offset, ParameterType.End)
else:
struct.pack_into('Q', buffer, offset, ParameterType.End)
return buffer
def result():
list = weights.get_weights(users.user_id())
return render_template("result.html", messages=list)
