Dataset Schema Analysis

Key Things to Consider:

• Identify the predictor
• Identify categorical, numerical features
• Work with SMEs and Domain Experts
• Domain knowledge is key to representing data correctly

You can find this dataset in the notebook on this page to inspect the dataset as well as use the link below to get more specific information for the different categories.

UCI Heart Disease Dataset

QUIZ QUESTION::

Match what is True or False when analyzing the schema of a dataset?

ANSWER CHOICES:

True

False

False

True

True

False

Statement	True/False
Identify correlations between features
Domain expertise is not needed if you utilize recursive feature elimination.
Identify the predictor attribute/feature.
Identify possible categorical and numerical features.

SOLUTION:

Statement	True/False
Identify the predictor attribute/feature.	True
Identify possible categorical and numerical features.	True
Identify correlations between features	False
Domain expertise is not needed if you utilize recursive feature elimination.	False
Identify correlations between features	False
Domain expertise is not needed if you utilize recursive feature elimination.	False
Identify the predictor attribute/feature.	True
Identify possible categorical and numerical features.	True
Identify the predictor attribute/feature.	True
Identify possible categorical and numerical features.	True
Identify correlations between features	False
Domain expertise is not needed if you utilize recursive feature elimination.	False

QUIZ QUESTION::

Part - 1: Which features are categorical and which are numerical? Please use the Notebook workspace above and the UCI Heart Disease Dataset site to help you with this quiz.

ANSWER CHOICES:

Categorical

Numerical

Numerical

Categorical

Categorical

Feature	Type
slope
thalach
thal
cp
trestbps

SOLUTION:

Feature	Type
slope	Categorical
thal	Categorical
cp	Categorical
thalach	Numerical
trestbps	Numerical
thalach	Numerical
trestbps	Numerical
slope	Categorical
thal	Categorical
cp	Categorical
slope	Categorical
thal	Categorical
cp	Categorical

QUIZ QUESTION::

Part - 2: Which features are categorical and which are numerical? Please use the Notebook workspace above and the UCI Heart Disease Dataset site to help you with this quiz.

ANSWER CHOICES:

Categorical

Categorical

Categorical

Numerical

Feature	Type
fbs
ca
oldpeak
sex

SOLUTION:

Feature	Type
fbs	Categorical
ca	Categorical
sex	Categorical
fbs	Categorical
ca	Categorical
sex	Categorical
fbs	Categorical
ca	Categorical
sex	Categorical
oldpeak	Numerical