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The article goes through the PySpark execution logic and provides guidelines to optimize the speed and performance.

PySpark execution logic and code optimization

The article goes through the PySpark execution logic and provides guidelines to optimize the speed and performance.

Pipedrive Essential and Advanced comparison of pricing and features. When to choose Pipedrive Advanced or Essential for your company.

Pipedrive Essential vs Advanced – Comparison of features and pricing on 2020

Pipedrive Essential and Advanced are by far the most popular plans among my customers. A comparison of different subscriptions.

Clustering time series data with SQL. The purpose is to prove that doing data science doesn't always require fancy tools. Examples in this repository might be helpful, if you must use SQL instead of proper data science tools such as python. Thus this repository is not a comprehensive guide for time series data clustering. Even though clustering is often connected to machine learning, this showcase relies only on logical decision making. I have focused on IoT related data in the field of predictive maintenance.

Clustering data using SQL – An example with industrial IoT data

Clustering time series data with SQL – Nice 3D visualization using simple logic. Python notebook example in GitHub with industrial data.

Spark and Python tutorial for data developers. The example has been ran on AWS cloud computing platform.

Spark + Python tutorial for data developers

A tutorial for parallel computation with Spark and Python. The example has been ran on AWS cloud computing platform.

AWS Glue service works especially well for big data batch processing.

Introduction to AWS Glue for big data ETL

AWS Glue service works especially well for big data batch processing. Read the full post from data.solita.fi.

Excel Power Map-ominaisuus on tarkoitettu paikkatietojen visualisointiin. Katso turvapaikanhakijadatasta tehty demo-video.

Excel Power Map – Spatial data visualization as a time series

Excel Power Map is designed to visualize spatial data. Watch the demo video about visualizing annual asylum seeker data.

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