Pattern Recognition via Principal Components Analysis
We'll look at using principal components analysis to help visualise your data and detect underlying structure or patterns.
2019-10-25 (first published: 2017-09-12)
5,349 reads
Nick Burns
Moving beyond principal components analysis
Principal components analysis is a standard, but usually terrible, technique for visualising complex data. We're using network diagrams to solve this problem.
2019-10-11 (first published: 2017-09-19)
2,000 reads
Real-time moving averages for IoT with R
Computing an average over all your data is easy, but what if your data arrives incrementally and you need to be able to compute real-time averages on the fly? That's what we are going to look at.
2019-10-04 (first published: 2017-10-02)
2,456 reads
Loading Data using R and PowerBI
I'm not a fan of R visuals in PowerBI. I recently learned I can use R to load data and native PowerBI visuals to display the data. Here's how.
2019-09-20 (first published: 2017-10-16)
4,738 reads
Configuring R Services in SQL Server 2016
R Services provides in-database analytics in SQL Server 2016. In this article we step through configuring R Services and get you started with in-database analytics.
2018-05-28 (first published: 2016-01-27)
4,520 reads
The Shortcomings of Predictive Accuracy
In prediction, accuracy is key. But it's not all it's cracked up to be as we will explore.
2017-09-07
883 reads
Analysing Sales Patterns: R + SQL Server
We show how to use RevolutionR to analyse & visualise purchasing behaviours in AdventureWorksDW2012.
2017-08-18 (first published: 2015-12-15)
7,533 reads
Machine Learning for Outlier Detection in R
A look into clustering to detect outliers in R. An extension on univariate statistical tests to include multivariate data.
2017-07-05
1,759 reads
Scoring Outliers in Non-Normal Data with R
Using R to detect outliers is relatively easy, but most methods assume your data is normally distributed. How do you handle skewed datasets?
2017-06-29
1,979 reads
Scoring Outliers with R
What is normal? More to the point, what is abnormal? We will look at using R to score outliers in a typical monitoring dataset.
2017-06-19
1,823 reads
Blogs
Pluralsight Free April
By Gail Shaw
It’s a few days into April, but not too late I hope to mention...
Daily Coping 7 Apr 2020
By Steve Jones
I’ve started to add a daily coping tip to the SQLServerCentral newsletter, which is...
Reading a SharePoint List with Azure Logic App
Sometimes in life you have to do things you really don’t like to do....
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Daily Coping Tip 7 Apr 2020
Daily Coping Tip: Rediscover your favourite music that really lifts your spirits. My thoughts:...
Developer Edition
I am proposing to the business that we use SQL 2019 Developer in our...
SQL server agent stop working (the server threw an exception [0x80010105])
Hi, I have cluster SQL (2008) running under windows server 2008. The cluster is...
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