Galaxy Classification With SQL Server

Kevin Feasel

2017-02-16

R

David Smith points out a nice Microsoft demo for classifying galaxies using SQL Server:

The SQL Server Blog has since published a step-by-step tutorial on implementing the galaxy classifier in SQL Server (and the code is also available on GitHub). This updated version of the demo uses the new MicrosoftML package in Microsoft R Server 9, and specifically the rxNeuralNet function for deep neural networks. The tutorial recommends using the Azure NC class of virtual machines, to take advantage of the GPU-accelerated capabilities of the function, and provides details on using the SQL Server interfaces to train the neural netowrk and run predictions (classifications) on the image database. For the details, follow the link below.

If you’re going to get into SQL Server R Services at any level of seriousness, I highly recommend R Tools for Visual Studio, as it will make building those external stored procedure calls much easier.

Related Posts

The Basics Of PCA In R

Prashant Shekhar gives us an overview of Principal Component Analysis using R: PCA changes the axis towards the direction of maximum variance and then takes projection on this new axis. The direction of maximum variance is represented by Principal Components (PC1). There are multiple principal components depending on the number of dimensions (features) in the […]

Read More

Tidy Data Is Normalized Data

I emphasize the link between a tidy dataframe and a normalized data structure: The kicker, as Wickham describes on pages 4-5, is that normalization is a critical part of tidying data.  Specifically, Wickham argues that tidy data should achieve third normal form. Now, in practice, Wickham argues, we tend to need to denormalize data because […]

Read More

Categories

February 2017
MTWTFSS
« Jan Mar »
 12345
6789101112
13141516171819
20212223242526
2728