# BST 232 Final Project — Data

来源：https://www.kaggle.com/competitions/bst232/data

采集时间：2026-10-20T03:26:28Z

File descriptions
train.csv
- the training set
test.csv
- the test set
Data fields
Y
- child cognitive development score at 24 months (Bayley scales for infant neurodevelopment)
X1
- concentrations of manganese (mu/dl)
X2
- concentrations of arsenic in cord blood (mu/dl)
X3
- concentrations of lead in cord blood (mu/dl)
Z1
- mother age (months)
Z2
- mother education (years)
Z3
- mother age (centered at mean)
Z4
- mother IQ (Z-score)
Z5
- home quality score
Z6
- daily nutritional intake of meat
Z7
- daily nutritional intake of fish
Z8
- daily nutritional intake of eggs
Z9
- maternal smoking status