View
116
Download
2
Category
Preview:
Citation preview
What is Alzheimer'sDisease ?
The Alzheimer'sDiseasePredictionOfLongitudinalEvolution
What is TADPOLE Challenge?
Goal:Predict how many days does it takes to convert to AD
Current State Days = ? AD
Pipeline
8,892 Observations
One observation is one visit
1,907 Features
RAW DATA
1,200 Observations
One observation is one visit
132 Features
CLEAN DATA
Target feature:
Time_To_Convertion
Feature selection
1. By expert in Alzheimer Disease area
2. Dimensionality Reduction Techniques
Explained variance of PCA components
Model selection and estimation
Select estimators ⇨ Fit and train ⇨ Compare ⇨ Select optimal
Support Vector RegressorLinear SVRLassoRidge RandomForestRegressorXGBoost
Model selection and estimation
Select estimators ⇨ Fit and train ⇨ Compare ⇨ Select optimal
Support Vector RegressorLinear SVRLassoRidge RandomForestRegressorXGBoost
Our choice
RandomForestRegressorMAE: 404.841703713 Best params: {'model__max_features': 'sqrt','model__max_depth': 8,'criterion' : 'mse'}
Results
Error of prediction in days
±404Based on one visit in scope of decades
experiencein data science project with real issues
contributiontowards AD data understanding
Results
Mean absolute error
Our small
Gained team
thanks!Jupyter Notebook link:
http://tinyurl.com/y8tsn4q9
Recommended