# Boston Housing Dataset — Data

来源：https://www.kaggle.com/competitions/boston-dataset/data

本地 Meta Kaggle 快照；不是本次实时页面。

# Dataset Description

<h2>Описание файлов</h2>
<ul>
<li><strong>boston_data.csv</strong> - обучающая выборка</li>
<li><strong>boston_test_data.csv</strong> - тестовая выборка (без целевой переменной)</li>
<li><strong>sampleSubmission.csv</strong> - a sample submission file in the correct format</li>

<h2>Описание данных</h2>
The medv variable is the target variable.

Data description
The Boston data frame has 506 rows and 14 columns.

This data frame contains the following columns:

**crim**
per capita crime rate by town.

**zn**
proportion of residential land zoned for lots over 25,000 sq.ft.

**indus**
proportion of non-retail business acres per town.

**chas**
Charles River dummy variable (= 1 if tract bounds river; 0 otherwise).

**nox**
nitrogen oxides concentration (parts per 10 million).

**rm**
average number of rooms per dwelling.

**age**
proportion of owner-occupied units built prior to 1940.

**dis**
weighted mean of distances to five Boston employment centres.

**rad**
index of accessibility to radial highways.

**tax**
full-value property-tax rate per $10,000.

**ptratio**
pupil-teacher ratio by town.

**black**
1000(Bk - 0.63)^2 where Bk is the proportion of blacks by town.

**lstat**
lower status of the population (percent).

**medv**
median value of owner-occupied homes in $1000s.