def start(username):
# register start time for this user
utils_users.get_experiment_start_time(username, 'pairwise')
# get the starting points from the acquirer
job1, job2 = utils_jobs.get_next_start_jobs(username)
# transform the two jobs into dictionaries
job1 = utils_jobs.job_array_to_job_dict(job1)
job2 = utils_jobs.job_array_to_job_dict(job2)
return render_template("query_pairwise_jobs.html", username=username, job1=job1, job2=job2, side_clicked=-1)
def start(username):
# get the start time for this user
utils_users.get_experiment_start_time(username, 'ranking')
# get the dataset for this user
user_dataset = utils_users.get_gp_dataset(
username, 'ranking', num_objectives=specs_jobs.NUM_OBJECTIVES)
# if no data has been collected yet, we only display two starting jobs
if user_dataset.comparisons.shape[0] == 0:
# delete any datapoint in the user's dataset (in case experiment was aborted)
user_dataset.datapoints = np.empty((0, specs_jobs.NUM_OBJECTIVES))
# get the starting points from the acquirer
job1, job2 = utils_jobs.get_next_start_jobs(username)
# add jobs to dataset of user
job1_idx = user_dataset._add_single_datapoint(job1)
job2_idx = user_dataset._add_single_datapoint(job2)
# save dataset
utils_users.update_gp_dataset(username, user_dataset, 'ranking')
# convert into displayable format
job1 = utils_jobs.job_array_to_job_dict(job1)
job2 = utils_jobs.job_array_to_job_dict(job2)
# add ID to the above dictionaries (equals the index in the dataset
job1['ID'] = job1_idx
job2['ID'] = job2_idx
# put jobs we want to display in the respective lists
jobs_unranked = [job1, job2]
jobs_ranked = []
# otherwise, we show the previous ranking and pick a new point according to that
else:
# intialise the GP
gp = GPPairwise(num_objectives=specs_jobs.NUM_OBJECTIVES,
seed=specs_jobs.SEED)
# initialise acquirer
acquirer = DiscreteAcquirer(input_domain=utils_jobs.get_jobs(),
query_type='clustering',
seed=specs_jobs.SEED)
# add collected datapoints to acquirer
acquirer.history = user_dataset.datapoints
# add collected datapoints to GP
gp.update(user_dataset)
# let acquirer pick new point
job_new = acquirer.get_next_point(gp, user_dataset)
# add that point to the dataset and save
job_new_idx = user_dataset._add_single_datapoint(job_new)
utils_users.update_gp_dataset(username, user_dataset, 'ranking')
# convert job to dictionary
job_new = utils_jobs.job_array_to_job_dict(job_new)
# add the ID
job_new['ID'] = job_new_idx
# put into list of jobs that need to be ranked
jobs_unranked = [job_new]
# get ranking so far
ranking = utils_users.get_ranking(username)
# get the job information from that ranking and convert to dictionaries
jobs_ranked = user_dataset.datapoints[ranking]
jobs_ranked = [
utils_jobs.job_array_to_job_dict(job) for job in jobs_ranked
]
# add the IDs
for i in range(len(ranking)):
jobs_ranked[i]['ID'] = ranking[i]
return render_template("query_ranking_jobs.html",
username=username,
jobs_unranked=jobs_unranked,
jobs_ranked=jobs_ranked)