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Category: Data Analysis

Data Analysis

All roads lead to SQLite

1st July 20251st July 2025 M SmithLeave a comment

SQLite is a great choice for doing data analytics locally. SQLite is a robust database that has been battle tested for over a decade. It is a single file which …

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Data Analysis

The Nature of code genetic algorithm videos

30th June 202530th June 2025 M SmithLeave a comment

Videos about genetic algorithms from the Nature of Code playlist from “The Coding Train” YouTube channel. Nature of Code genetic algorithm section.

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Automation

How to revoke read access to a single table in BigQuery using SQL

29th June 202528th June 2025 M SmithLeave a comment

If a particular user has been added read access to a table these permissions can be removed using the REVOKE keyword in SQL:

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Data Analysis

How to grant read access to a single table in BigQuery using SQL

28th June 202528th June 2025 M SmithLeave a comment

A code snippet to add a user as read only on a BigQuery table. To add different permissions, other BigQuery roles can be seen in the Google documentation.

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Automation

Copy a BigQuery model into another dataset using bq command line tool

27th June 202527th June 2025 M SmithLeave a comment

When creating or building a BigQuery Machine Learning model, the model itself is stored inside a BigQuery dataset. The code snippet below shows how to move a model from one …

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Data Analysis

SQLite – Getting started masterclass

24th June 2025 M SmithLeave a comment

A collection of video resources to on using and understanding SQLite. SQLite case study SQLite with Python SQLite for beginners …although some of the topics don’t seem like beginner topics …

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Automation

Loading data into SQLite

23rd June 202523rd June 2025 M SmithLeave a comment

Different approaches to load data into a SQLite database using the following Python libraries: Pandas Using the pandas library (alongside click, and uv) to load a csv file into a …

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Automation

A command line tool to get csv summaries using Sweetviz

22nd June 2025 M SmithLeave a comment

Working with data involves handling a lot of data files, most commonly CSV files. It can be very helpful to do some exploratory data analysis on the CSV file to …

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Data Analysis

Sample data from a BigQuery table

21st June 202521st June 2025 M SmithLeave a comment

In BigQuery when running a query, the costs associated with doing so include a “scan” of the data that may be processed as part of executing the query. For example, …

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Data Analysis

Create a Random Forest ML model in Bigquery and use it to make predictions

20th June 2025 M SmithLeave a comment

A code sample to create a random forest machine learning model in BigQuery and make predictions all using SQL.

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