fix(a11y): changed non-inclusive language (#16)

README.md

@@ -13,7 +13,7 @@ File name: medical_examination.csv
 | Age | Objective Feature | age | int (days) |
 | Height | Objective Feature | height | int (cm) |
 | Weight | Objective Feature | weight | float (kg) |
-| Gender | Objective Feature | gender | categorical code |
+| Sex | Objective Feature | sex | categorical code |
 | Systolic blood pressure | Examination Feature | ap_hi | int |
 | Diastolic blood pressure | Examination Feature | ap_lo | int |
 | Cholesterol | Examination Feature | cholesterol | 1: normal, 2: above normal, 3: well above normal |

medical_examination.csv

@@ -1,4 +1,4 @@
-id,age,gender,height,weight,ap_hi,ap_lo,cholesterol,gluc,smoke,alco,active,cardio
+id,age,sex,height,weight,ap_hi,ap_lo,cholesterol,gluc,smoke,alco,active,cardio
 0,18393,2,168,62.0,110,80,1,1,0,0,1,0
 1,20228,1,156,85.0,140,90,3,1,0,0,1,1
 2,18857,1,165,64.0,130,70,3,1,0,0,0,1

test_module.py

@@ -37,7 +37,7 @@ class HeatMapTestCase(unittest.TestCase):
         actual = []
         for label in self.ax.get_xticklabels():
           actual.append(label.get_text())
-        expected = ['id', 'age', 'gender', 'height', 'weight', 'ap_hi', 'ap_lo', 'cholesterol', 'gluc', 'smoke', 'alco', 'active', 'cardio', 'overweight']
+        expected = ['id', 'age', 'sex', 'height', 'weight', 'ap_hi', 'ap_lo', 'cholesterol', 'gluc', 'smoke', 'alco', 'active', 'cardio', 'overweight']
         self.assertEqual(actual, expected, "Expected bar plot legend labels to be months of the year.")
     
     def test_heat_map_values(self):