Archive for January 2017

Practical Time Series Forecasting – To Difference or Not to Difference

“It is sometimes very difficult to decide whether trend is best modeled as deterministic or stochastic, and the decision is an important part of the science – and art – of building forecasting models.” ― Diebold,  Elements of Forecasting, 1998   A times series can have a very strong trend. Visually, we often can see it.…

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Healthcare Information Technology Investment Trends

According to US government data (US Bureau of Economic Analysis (BEA)), Healthcare industry investment in computers, software and communications equipment has grown by a compound annual rate (CAGR) of 6% since 2000.  For the rest of the private (non-government) US market, such investment has grown at a slightly lower rate of 5% per year. Interactive…

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