Supervised machine learning is inferring a function which will map input variables to an output variable. Let’s unpack this definition a bit with an example. Say that we are a bank that wants to determine to whom we should give a loan. The objective, therefore, is to infer a function that examines a set … Continue reading Overfitting / Underfitting – How Well Does Your Model Fit?
Our actions may be impeded but there can be no impeding our intentions or dispositions, because we can accommodate and adapt. The mind adapts and converts to its own purposes the obstacle to our action. The impediment to action advances action, what stands in the way becomes the way. Marcus Aurelius was the last of … Continue reading Manage Projects like a Roman Emperor
Business Intelligence is corporate fat. When you go to the butcher do you look for a steak with fat? Think about it, because that is what BI is.
Recently, I was asked by a friend why I chose The School of Athens as the image for this blog. Frankly, I could not think of anything that could be more appropriate. Let me explain… Between 1509 and 1511, Raphael had been given a commission to paint four reception rooms in the public portion of … Continue reading The School of Athens
They want to get rid of me. Wait, let me rephrase that, they want to get rid of us!! I can’t blame them, if I were them I would want to get rid of us too. Our friends at Gartner started all this talk about citizen data scientists.
The world in which Dodo birds existed changed with the arrival of humans and they, the birds, did not adapt. The world in which business intelligence (BI) exists is changing, changing pretty drastically. Will BI go the way of the Dodo bird?
“What is quite unlooked for is more crushing in its effect, and unexpectedness adds to the weight of a disaster. The fact that it was unforeseen has never failed to intensify a person’s grief. This is a reason for ensuring that nothing ever takes us by surprise. We should project our thoughts ahead of us at every turn and have in mind every possible eventuality instead of only the usual course of events.”
Everyone is talking about data science. One study found that 96% of companies believe that data science is integral to the success of their business. Yet, most of these organizations (70%) are not realizing its full potential. They cite such factors as poor data quality, lack of talent, and access to proper tools and technology. … Continue reading Open Data Science
Whether you are using a waterfall or agile approach, the RAID log enables managers to bring into focus project matters that should be at the stakeholders’ top of mind. In addition, it documents assumptions and decisions that are made during the execution process.
Recently I had read a LinkedIn article by Kalyan Sambhangi in which he asked where are all the data philosophers. He makes a good point, if data science is truly a science shouldn’t the philosophy of science be applicable to it as well; i.e. the philosophy of data science. I agree; it should. So, let … Continue reading What is the Philosophy of Data Science (and Should Data Scientists Care)?