# Applai Seniors Competition A2 — Data

来源：https://www.kaggle.com/competitions/applai-seniors-competition-a2/data

采集时间：2026-10-20T02:33:25Z

It serves as an excellent introduction to implementing machine learning algorithms because it requires rudimentary data cleaning, has an easily understandable list of variables and sits at an optimal size between being to toyish and too cumbersome.

The data contains information from the 1990 California census. So although it may not help you with predicting current housing prices like the Zillow Zestimate dataset, it does provide an accessible introductory dataset for teaching people about the basics of machine learning..
File descriptions
train.csv
- the training set
test.csv
- the test set
sampleSubmission.csv
- a sample submission file in the correct format
etc...
Data fields
longitude
This page shows up underneath the data files. Here you describe what files you have provided and the format of each. There is no single format for this page that is appropriate for all competitons, but you should strive to describe as much as you can here. A little time spent describing the data here can save a lot of time answering questions later.
Participants should be able to answer questions like these after reading the data description: What files do I need? What should I expect the data format to be? What am I predicting? What acroynms will I encounter?
File descriptions
train.csv
- the training set
test.csv
- the test set
sampleSubmission.csv
- a sample submission file in the correct format
etc...
Data fields
longitude
- A measure of how far west a house is; a higher value is farther west
latitude
- A measure of how far north a house is; a higher value is farther north
housing Median Age
-Median age of a house within a block; a lower number is a newer building
total Rooms
-Total number of rooms within a block
total BedRooms
-Total number of bedrooms within a block
population
-Total number of people residing within a block
households
-Total number of households, a group of people residing within a home unit, for a block
medianIncome
-Median income for households within a block of houses (measured in tens of thousands of US Dollars)
medianHouseValue
-Median house value for households within a block (measured in US Dollars)
oceanProximity
-Location of the house w.r.t ocean/sea
etc...