language_test / plots.py
birgermoell's picture
Create plots.py
cce1f27
import matplotlib.pyplot as plt
class test_profile:
def __init__(self, age, education, bnt, fas, isw):
self.age = age
self.education = education
self.bnt = bnt
self.fas = fas
self.isw = isw
def mean_bnt(self):
if self.age <= 60 and self.education <= 12:
self.norm_mean = 54.5
self.norm_sd = 3.2
elif self.age <= 60 and self.education > 12:
self.norm_mean = 54.0
self.norm_sd = 4.4
elif self.age > 60 and self.education <= 12:
self.norm_mean = 54.8
self.norm_sd = 3.3
elif self.age > 60 and self.education > 12:
self.norm_mean = 56.2
self.norm_sd = 3.4
else:
print("missing value/ wrong format")
def z_bnt(self):
self.mean_bnt()
z_bnt = (self.bnt - self.norm_mean) / self.norm_sd
stanine_bnt = round(1.25 * z_bnt + 5.5)
return round(z_bnt, 2), stanine_bnt
def z_to_stanine(self, z_score):
stanine = round(1.25 * z_score + 5.5)
return stanine
def mean_fas(self):
if self.age <= 60 and self.education <= 12:
self.norm_mean = 42.7
self.norm_sd = 13.7
elif self.age <= 60 and self.education > 12:
self.norm_mean = 46.7
self.norm_sd = 13.7
elif self.age > 60 and self.education <= 12:
self.norm_mean = 46.9
self.norm_sd = 10.4
elif self.age > 60 and self.education > 12:
self.norm_mean = 51.6
self.norm_sd = 12.6
else:
print("missing value/ wrong format")
def z_fas(self):
self.mean_fas()
z_fas = (self.fas - self.norm_mean) / self.norm_sd
stanine_fas = round(1.25 * z_fas + 5.5)
return round(z_fas, 2), stanine_fas
def calculate_isw(self):
isw_score = 74.38 + self.isw*0.66 - self.age*0.20 + self.education*1.77
return round(isw_score, 2)
def generate_graph(self):
BNT_z, _ = self.z_bnt()
FAS_z, _ = self.z_fas()
BNT_stanine = self.z_to_stanine(BNT_z)
FAS_stanine = self.z_to_stanine(FAS_z)
# Create a plot
fig, ax = plt.subplots()
# Set axis labels and title
ax.set_xlabel('Stanine values')
ax.set_ylabel('Test')
# Set the y-axis to display the tests
ax.set_yticks([1, 2])
ax.set_yticklabels(['BNT', 'FAS'])
# Set the range of the x-axis
ax.set_xlim([0, 10])
# Add dots for BNT and FAS scores
ax.scatter(BNT_stanine, 1, s=100, label='BNT')
ax.scatter(FAS_stanine, 2, s=100, label='FAS')
# Add legend
ax.legend()
# Show the plot
# plt.show()
# Save the graph as a png file
fig.savefig('test_profile.png')
return 'test_profile.png'