Most database engines have begun to supplement their SQL capabilities by offering Python query support to allow their more data science inclined users to embed advanced statistics or machine learning code into query pipelines or data visualization tools like Tableau. Snowflake has been bucking that trend — until now.
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Data Engineering
Enabling Scalable Machine Learning in Snowflake using SQL, Python and Bodo
Data Visualization
Track and Understand Tableau Dashboard Usage with a Free and Open-Source Extension
Learn to use Tableau Usage Tracker, a free and open-source extension that enables you to measure and understand dashboard usage.
Data Science
8 Best Practices for Working with Your Data Science Vendor — from Data Scientists
Get practical advice from Starschema data scientists to optimize your workflows for better productivity and results from your next project.
Data Visualization
10 Tips for Tableau Dashboard Collaboration
Learn basic and extension-enabled Tableau techniques to streamline team communication and collaborate more effectively on dashboard content.
Software Development
The Top 5 Jenkins Plugins You Should Have in 2021
Learn about the five essential Jenkins plugins that will help you boost productivity and deliver better-quality results.
Data Visualization
What’s New in Tableau 2021.1: Snowflake Geospatial Support with Map Layers
Use map layers and leverage Snowflake geospatial support in Tableau 2021.1 to create advanced location-based analytics with multiple object types.
Data Engineering
Testing SQL Pool Performance in Azure Synapse Analytics
The feature set of Synapse Analytics is considerably richer than that of a “plain” old Azure SQL Database, but what benefits do we get from the smallest dedicated pool?
Data Science
The COVID Tracking Project is Shutting Down in a Week. What Next?
The COVID Tracking Project has been one of the most successful citizen-driven data collection projects in history. Driven by The Atlantic and supported by an army of volunteers, it has collected the nuggets of information about testing and case counts, often beating federal and state authorities to the race...
Data Engineering
Introducing the Starschema Worldwide Address Data Set in Snowflake
We’re happy to announce that, as part of our ongoing effort to democratize data, we’ve taken over as the provider of The Worldwide Address Data Set, a free and open global address collection on the Snowflake Data Marketplace.
Data Engineering
Vaccine Tracking Added to The Starschema COVID-19 Epidemiological Dataset
In our effort to help organizations assess contingency plans and make informed, data-driven decisions in real-time as they respond to the global health emergency, we’ve added vaccine tracking from the University of Oxford to the Starschema COVID-19 Epidemiological Dataset.
Data Engineering
StarSnow: HTTP Client for Snowflake SQL
Snowflake is an extremely SQL-friendly database: you can ingest, transform, and access your structured and semi-structured data directly from your SQL code. However, as a cloud-only data platform, it has some fundamental restrictions...
Data Visualization
Tableau Services Manager (TSM) API — The Undocumented “Passwordless” Authentication
Tableau is a complex platform with tons of APIs for analysts, developers, and platform administrators. If you are a server admin, most probably you’ve already used REST API for basic stuff like…
Data Engineering
Monitoring with JMX: How to Integrate Tableau Server with InfluxDB
Getting JMX metrics with jmxtrans from Tableau Server, storing in InfluxDB and accessing it in Grafana
Data Engineering
Monitor your infrastructure with InfluxDB and Grafana on Kubernetes
Monitoring your infrastructure and applications is a must-have if you play your game seriously. Overseeing your entire landscape, running servers, cloud spends, VMs, containers, and the applications…
Data Visualization
DESIGN GUIDE PART 2: Framework & Layouts
Did you enjoy our previous post about frameworks & layouts in Tableau? Here we continue that thread by exploring how applying those rules can improve your overall design through some practical…
Data Visualization
DESIGN GUIDE PART 1: Framework & Layouts
We, at the Starschema Dataviz Team, work a lot with data and information design every day. Our main goal is to make our data visualization output effective, accessible, and provide accurate…
Data Science
Fighting the COVID-19 pandemic with data and context
The COVID-19 outbreak is in many ways an outlier. It emerged with unusual speed, spread rapidly throughout the globe and has elicited a public health response that is unprecedented in recent…
Data Engineering
Getting through a challenging age with data - Starschema Blog - Medium
Following the implosion of the US housing bubble, when the mid-2000s Great Recession began to hit markets worldwide, many enterprises found themselves in dire straits. In the ensuing crisis…
Data Science
COVID-19 and the first war of data science - Starschema Blog - Medium
In the subtitle of his remarkable history about the race for the nuclear bomb, science writer and historian of science Jim Baggott referred to World War II as the “first war of physics”. Today, the…
Data Science
Arguing with Edward Snowden - Starschema Blog - Medium
I’ve recently read Edward Snowden’s Permanent Record during my holiday. I think it is a great book that I highly recommend for basically anyone, however it is particularly interesting for IT-folks…
Data Visualization
Do the Rosling - Starschema Blog - Medium
Anyone who has learned Tableau online (via Udemy or any other similar platform) did the Hans Rosling chart as an exercise. So did I, and I felt it was time to do justice to that old visualization…
Data Engineering
Deploying TabPy in Enterprise: Scaling and Hardening in Kubernetes
There are so many tutorials out in the wild about how to take an application, containerize it and run it in your enterprise’s on-prem/public cloud securely, but hey, this will be yet another one…
Data Visualization
Tableau Extensions Addons Introduction: Synchronized Scrollbars
At this year’s Tableau Conference, I tried to stay on the safe side and show mostly Tableau supported solutions: visualizations on real-time data, Jupyer Notebook like experiences and so on. I had…
Data Visualization
Tableau External Services API: Haskell Expressions as Calculations
We all have our own Tableau Conference habits. Mine is to participate in the first-day hackathon, build something super cool that nobody understands and in the end win nothing. Tableau 2019 was no…
Data Science
Text preprocessing in different languages for Natural Language Processing in Python
In the first part, I outlined text pre-processing principles based on a framework from an academic article. The underlying goal of all these techniques was to reduce text data dimensionality but…
Data Visualization
Get Ready for Tableau Catalog - Starschema Blog - Medium
If you’re a Tableau administrator or author, your life is going to get a lot easier. For Tableau Server deployments, particularly large ones, managing your data can be complicated. Under the hood…
Data Science
Predictive maintenance helped win a war. Now, it can help you outpace the competition.
The year is 1943. Britain’s survival still hangs by a thin, precarious thread, despite America joining the war effort. Just a few months ago, in February 1942, two German battleships, the…
Data Engineering
Mining your Tableau logs with Apache Drill - Starschema Blog - Medium
Tableau Server and Desktop logs each and every action you perform. The log data is a gold mine for people eager to understand what is happening under the hood and why. However, there is no easy way…
Data Engineering
Scaling out Tableau Extracts — Building a distributed Tableau Hyper Cluster
Tableau Hyper Database (“Extract”) is a great engine; it’s one of the reasons people are obsessed with Tableau analytics. However, being a single node database server, it has its limits (performance…
Data Science
A comprehensive guide to text pre-processing with python
This is Part 1 of a pair of tutorials on text pre-processing in python. In this first part, I’ll lay out the theoretical foundations. In the second part, I’ll demonstrate the steps described below…
Data Science
Answering the big questions (this time, in chemistry)
Why do some molecules have undesirable biological effects, but others don’t? A model can tell us which do and which don’t, but model introspection can go one step further: it can tell us why.
Data Science
Create a map of Budapest districts colored by income using folium in Python
PART 2 – Ever wondered how to draw a map of less common geographical areas? And color them based on some data? This pair of tutorials shows how to build this from scratch! First, you need to construct the…
Data Visualization
Draw a map of the districts of Budapest using the Overpass API of OpenStreetMap and Python
PART 1 – Ever wondered how to draw a map of less common geographical areas? Perhaps even colour them based on some data? This is the first in a series of two tutorials that show you how to build this from…
Data Visualization
Here’s how we upgraded our marketing analytics - Starschema Blog - Medium
I hate interrupting my analysis workflow by tabbing between different applications and interfaces. It’s irritating, decreases your productivity and just makes things harder to understand. Therefore…
Data Visualization
ITSM Analytics - Starschema Blog - Medium
Information Technology has become the backbone of almost every business in the last few decades, driving productivity and efficiency in every business function. Today, IT organizations have more…
Data Science
JIT fast! Supercharge tensor processing in Python with JIT compilation
At Starschema, we’re constantly looking for ways to speed up some of the computationally intensive tasks we’re dealing with. Since a good amount of our work involves image processing, this means…
Data Visualization
Employee turnover dashboard for your HR department.
“The ratio of the number of employees that leave a company through attrition, dismissal, or resignation during a period to the number of employees on payroll during the same period.” —…
Data Visualization
Tableau Version Control is here to make your life easier
If you are a Tableau server admin or interact with your Tableau admin, then the chances of you desperately crying out for their help over some accidental action is a quiet common possibility…
Data Visualization
Elevation, Voronoi and other spatial specialties in Tableau
People are generally lazy, but the laziness can be overridden through aesthetically pleasing content. We want visualizations that effortlessly communicates the core idea. The new Tableau Mapbox…
Data Science
Digging deeper into ensemble learning - Starschema Blog - Medium
PART 2 – Have you ever wondered how combining weak predictors can yield a strong predictor? Ensemble Learning is the answer! This is the second of a pair of articles in which I will explore ensemble learning…
Data Science
Combine your machine learning models for better out-of-sample accuracy
PART 1 – Have you ever wondered how combining weak predictors can yield a strong predictor? Ensemble Learning is the answer! This is the first of a pair of articles in which I will explore ensemble learning…
Data Science
Quantifying hard retinal exudates using Growing Neural Gas algorithms
Diabetic retinopathy is a major cause of blindness in the developed world. Read how an uncommon neural network algorithm can be used to quantify the extent of disease.
Data Science
Self-Organising Feature Maps for fun and profit - Starschema Blog - Medium
This is Part 2 of a three-part series on competitive neural networks. You can find Part 1, an introduction to competitive neural networks, here. Part 3, which looks at a different competitive…
Data Science
Funderstanding competitive neural networks - Starschema Blog - Medium
Funderstanding is a little term I came up with a few years ago for fun ways of understanding complex concepts. The typical university way of teaching something is by laying the theoretical…
Data Visualization
Your Tableau Dashboard is Watching You — You Are Being Tracked
Data analysts work on improving your dashboard, and developing new features day and night, over the weekend, with eating or drinking being a low priority. Tableau end users then enjoy the fruit of…
Data Visualization
EXTENSIONS IN TABLEAU AND “EXTENSIONS” ACROSS THE OCEAN
Nowadays, we are big on extensions. Starschema opened its new office across the Pond in D.C. Settling into our office in a usual American highrise building, many people wanted to know what our…
Data Visualization
Tableau Conference 2018 Guide - Starschema Blog - Medium
We have invited the best and brightest of our “data musicians” to create the festival of data at the birthplace of jazz. Sounds like music to your ears? Tableau Conference 2018 has a mission. To…