Data 3 -"Birth weight" (again)

Learning outcomes

After having completed this chapter you will be able to:

• Understand logistic regression
• Understand real world data
• Answer a biological question
• Find the right statistical tool
• Interpret the results
• Report results

Exercises

Birth weight (again)

2nd round with the “Birth weight”” data set.

Questions :

1. Inspect the dataset
2. Does the mother’s age allow us to predict the birth weight below 2.5 kg ?
3. Can you use a linear regression model ? What’s wrong with this model ?
4. Which model is better adapted to the current situation ?
5. Check the assumptions of the model
6. Can you better predict birth weight below 2.5 kg using other variables in the dataset, in addition to mother’s age ?

Answer

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