import numpy as np
from pyBKT.generate import synthetic_data, random_model_uni
from pyBKT.fit import EM_fit
from utils import crossvalidate, accuracy, rmse, auc, check_data, data_helper, ktidem_skills
import copy
np.seterr(divide='ignore', invalid='ignore')
num_fit_initializations = 20
seed, folds = 2020, 5 #can customize to anything, keep same seed and # folds over all trials
results = {} #create dictionary to store accuracy and rmse results

df, skill_list, student_count, data_count, template_count = ktidem_skills.find_skills()
for i in range(10):
    skill_name = skill_list[i]
    results[skill_name]=[student_count[i], data_count[i], template_count[i]]
    
    data = data_helper.convert_data(df, skill_name)
    check_data.check_data(data)
    results[skill_name].append((np.sum(data["data"][0]) - len(data["data"][0]))/len(data["data"][0]))
    print("creating simple model")
    results[skill_name].append(crossvalidate.crossvalidate(data, folds=folds, seed=seed)[2])

    data_multiguess = data_helper.convert_data(df, skill_name, multiguess=True)
    check_data.check_data(data_multiguess)
    print("creating kt_idem model")
    results[skill_name].append(crossvalidate.crossvalidate(data_multiguess, folds=folds, seed=seed)[2])
    #print(results)

print("Model\tNum Students\tNum Data\tNum Templates\tCorrect Percent\tSimple AUC\tKT_IDEM AUC")
for k, v in results.items():
    print("%s\t%d\t%d\t%d\t%.5f\t%.5f\t%.5f" % (k, v[0], v[1], v[2], v[3], v[4], v[5]))
Esempio n. 2
0
from pyBKT.generate import synthetic_data, random_model_uni
from pyBKT.fit import EM_fit
from utils import crossvalidate, accuracy, rmse, auc, check_data, data_helper
import copy
np.seterr(divide='ignore', invalid='ignore')
num_fit_initializations = 20
skill_name = "Box and Whisker"
seed, folds = 2020, 5 #can customize to anything, keep same seed and # folds over all trials
results = {} #create dictionary to store accuracy and rmse results

#data!
print("starting simple model data collection")
data, df = data_helper.convert_data("as.csv", skill_name, return_df=True)#save dataframe for further trials
check_data.check_data(data)
print("creating simple model")
results["Simple Model"] = crossvalidate.crossvalidate(data, folds=folds, seed=seed)

print("starting majority class calculation")
majority = 0
if np.sum(data["data"][0]) - len(data["data"][0]) > len(data["data"][0]) - (np.sum(data["data"][0]) - len(data["data"][0])):
    majority = 1
pred_values = np.zeros((len(data["data"][0]),))
pred_values.fill(majority)
true_values = data["data"][0].tolist()
pred_values = pred_values.tolist()
results["Majority Class"] = (accuracy.compute_acc(true_values,pred_values), rmse.compute_rmse(true_values,pred_values), auc.compute_auc(true_values, pred_values))


print("starting item_learning_effect data collection")
data_multilearn = data_helper.convert_data(df, skill_name, multilearn=True)
check_data.check_data(data_multilearn)
import sys
sys.path.append('../')
import numpy as np
from pyBKT.generate import synthetic_data, random_model_uni
from pyBKT.fit import EM_fit
from utils import crossvalidate, data_helper, check_data
from copy import deepcopy
np.seterr(divide='ignore', invalid='ignore')

num_fit_initializations = 20
skill_name = "Range"

#data!
data = data_helper.convert_data("as.csv", skill_name)

check_data.check_data(data)

#specifying verbose allows data from all iterations of crossvalidation to be printed out
crossvalidate.crossvalidate(data, verbose=True)
Esempio n. 4
0
    'user_id': 'Anon Student Id',
    'multiguess': 'Problem Name',
}

for i in range(12):
    skill_name = skill_list[i]
    results[skill_name] = [student_count[i], data_count[i], template_count[i]]

    data = data_helper.convert_data(df, skill_name, defaults=ct_default)
    check_data.check_data(data)
    results[skill_name].append(
        (np.sum(data["data"][0]) - len(data["data"][0])) /
        len(data["data"][0]))
    print("creating simple model")
    results[skill_name].append(
        crossvalidate.crossvalidate(data, folds=folds, seed=seed)[2])

    data_multiguess = data_helper.convert_data(df,
                                               skill_name,
                                               defaults=ct_default,
                                               multiguess=True)
    check_data.check_data(data_multiguess)
    print("creating kt_idem model")
    results[skill_name].append(
        crossvalidate.crossvalidate(data_multiguess, folds=folds,
                                    seed=seed)[2])
    #print(results)

print(
    "Model\tNum Students\tNum Data\tNum Problems\tCorrect Percent\tSimple AUC\tKT_IDEM AUC"
)
skill_count = 124  #hardcoded for nips data set

#data!
Data = nips_data_helper.convert_data("builder_train.csv",
                                     url2="builder_test.csv")

print("Data preprocessing finished")

for i in range(skill_count):
    check_data.check_data(Data[i])

print("All data okay")

all_true = []
all_pred = []
for skill in range(skill_count):

    if len(Data[skill]["resources"]
           ) < 5:  #auc only calculated when there are 2+ classifiers
        print("Not enough data for skill %s" % skill)
        continue

    temp = crossvalidate.crossvalidate(Data[skill],
                                       verbose=False,
                                       return_arrays=True)
    print("Skill %s of %s calculation completed" % (skill, skill_count - 1))
    all_true.extend(temp[0])
    all_pred.extend(temp[1])
total_auc = auc.compute_auc(all_true, all_pred)
print("Overall AUC:", total_auc)