Blogs|Oct 30, 2018

Microsoft Custom Vision: Retrain Model in C#

In the previous post, we went over how to use the Custom Vision Training and Prediction SDKs to programmatically predict image URLs and image files. In this post, we’re going to use those same SDKs to show how to programmatically upload more training images to the service and train a new model with those new…
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Data Science|Oct 1, 2018

Microsoft Custom Vision: Creating an Image Classification Model

Creating a model to classify images would usually involve creating your own deep learning model from scratch. This includes having a very large and diverse set of training images with a portion of them set aside as a test set, a good convolutional neural network as the model, and a GPU enabled machine to do…
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Blogs|Sep 18, 2018

Microsoft Custom Vision: Predict Images with C#

In the previous post, we showed how to train an image classification model using the Microsoft Custom Vision service as well as to perform a quick test on a new image. However, what if you want to integrate this model into one of your applications that is using C#? Whether it’s an app that runs…
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Blogs|Aug 17, 2018

Evaluate Your Models with Cross Validation in ML.NET

Let’s say you’ve been working on a machine learning model and your initial evaluation on test data looks good but is that the same kind of performance you’ll get once you deploy your model to take on actual data it hasn’t seen before? This can happen if your model has overfitted to your data. We…
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Blogs|Jul 31, 2018

Save and Read Models in ML.NET

Often times you’ll be iterating on your model to try to get it to perform well with new data, so you’ll be training on it for each of those iterations. However, once you feel like you have a model that you believe is good to use, what do you do next? In this post, we’ll…
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Blogs|Jul 10, 2018

Machine Learning with C#: An Introduction to ML.NET

When you think of data science and machine learning two programming languages are going to instantly pop into your mind: Python and R. These two languages are great and I love working with them, but coming from a .NET and C# background myself it would be nice to see some love for data science in…
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Blogs|Jul 5, 2018

Beginning R Programming for Data Science: Language Basics

If you’ve done even a short amount of research into data science, there is no doubt you’ve come across the Python vs. R debate. While we won’t get into which is better, there is nothing wrong with knowing both. You may be stronger in one than the other, and even prefer that one, but knowing…
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Blogs|May 7, 2018

Get Insights From Video with Microsoft Video Indexer

You have to admit, Microsoft Cognitive Services has a lot of really nice offerings to bring to your applications. One of the newer ones is the Video Indexer. This a powerful service since when you upload your videos it analyzes them to extract several pieces of analytics, including finding people in the video and attempts…
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Blogs|Apr 24, 2018

An Overview of Azure Databricks

With the announcement of the general availability of Azure Databricks, in this post we’ll take this opportunity to get a brief feel to what Azure Databricks is and what it can do. What is Databricks? Databricks is a data solution that sits on top of Apache Spark to help accelerate a business’ data analytics side…
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Blogs|Apr 20, 2018

Integrating Microsoft LUIS into the Bot Framework

In our previous post, we went over what Microsoft’s LUIS, or Language Understanding, is and showed how to create a new LUIS app as well as calling it using the APIs. In this post we will use the same LUIS app that we built but integrate it into a bot we will create from Microsoft’s…
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Blogs|Apr 9, 2018

Using the Cognitive Services Text Analytics API: Sentiment Analysis

In our previous post, we feed Twitter data to the Text Analytics API which was able to detect the language of each tweet. We will expand upon our previous work and continue to use the API and our Twitter data to determine the sentiment of each tweet. By analyzing the sentiment of each tweet, we’re…
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Blogs|Apr 5, 2018

Building Language Intelligent Apps with Microsoft’s LUIS

To aid in building applications that have better natural language understanding, Microsoft came out with LUIS or Language Understanding Intelligent Services. LUIS can be used for understanding speech for the Bot Framework, Bing Speech, or even with Cortana. In this post, we’ll learn how to create a LUIS app, apply basic LUIS concepts, and how…
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