https://github.com/kanasia-moore/sql-project
https://github.com/kanasia-moore/sql-project
bigquery data-analysis data-analysis-project data-analytics dataset homelessness sql
Last synced: 9 months ago
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- Host: GitHub
- URL: https://github.com/kanasia-moore/sql-project
- Owner: Kanasia-Moore
- Created: 2025-06-17T18:14:07.000Z (about 1 year ago)
- Default Branch: main
- Last Pushed: 2025-08-25T03:56:22.000Z (10 months ago)
- Last Synced: 2025-09-10T17:10:50.451Z (9 months ago)
- Topics: bigquery, data-analysis, data-analysis-project, data-analytics, dataset, homelessness, sql
- Homepage: https://kanasia-moore.github.io/SQL-Project/
- Size: 192 KB
- Stars: 0
- Watchers: 0
- Forks: 0
- Open Issues: 0
-
Metadata Files:
- Readme: README.md
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README
# BigQuery Data Exploration
## Overview
This project explores the public dataset using BigQuery and SQL queries to gain insights on the amount of homeless per state and the type and amount of shelters provided.
## Data
### Data Sources
This project uses the data collected from the BigQuery public dataset on homelessness:
https://console.cloud.google.com/bigquery?ws=!1m5!1m4!4m3!1sbigquery-public-data!2ssdoh_hud_pit_homelessness!3shud_pit_by_coc
### Data Description
Information about the dataset:
- **CoC** = Continuum of Care
- **Sheltered_ES** = Emergency Shelter
- **Sheltered_TH** = Transitional Housing
- **Sheltered_SH** = Safe Haven Housing
- The dataset ranges between 2012 and 2018
## Methodology
### Analysis Approach
- Previewed the table to understand key data such as:
- **Column Names:** Checked for descriptive columns and acronyms
- **Data types:** Made sure data stored was consistent with column data type
- **Completness:** Looked for missing or null values and checked for accuracy and reliability
- Created a table with the relevant data needed for analysis:
```sql
CREATE TABLE
Exploration_Project.homelessness AS
SELECT
CoC_Number,
LEFT(CoC_Number, 2) AS State,
CoC_Name,
Overall_Homeless,
Sheltered_ES_Homeless,
Sheltered_TH_Homeless,
Sheltered_SH_Homeless,
Sheltered_Total_Homeless,
Unsheltered_Homeless,
Homeless_Individuals,
Homeless_People_in_Families,
Chronically_Homeless,
Homeless_Veterans,
Homeless_Unaccompanied_Youth_Under_18,
Count_Year
FROM
`bigquery-public-data.sdoh_hud_pit_homelessness.hud_pit_by_coc`
```
### Tools and Technologies
- BigQuery
- SQL