Author Archives: dougaj4

ACO, Pekka Kuusisto, Sam Amidon, Pentangle and Wedding Dress

Posted on 12/02/2017 by dougaj4

Murder and Redemption, the current ACO concert series, led by guest musical director Pekka Kuusisto and folk musician Sam Amidon, combines American and British folk songs with the works of Janáček and John Adams. Here Pekka Kuusisto talks of performing the … Continue reading →

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Christy Moore sings Beeswing

Posted on 09/02/2017 by dougaj4

Back in 2011 I posted a link to Richard Thompson’s song Beeswing, sung by The Little Unsaid.   That post still brings a trickle of visitors to his site, which led me to this version by Christy Moore: and Christy Moore’s … Continue reading →

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Weighted Least Squares Regression, using Excel, VBA, Alglib and Python

Posted on 05/02/2017 by dougaj4

Least squares linear regression in Excel is easy.  That’s what the Linest and Trend functions do.  That is, they find the coefficients of a straight line (or higher dimension shape) so that the sum of the squares of the distances of … Continue reading →

Posted in AlgLib, Curve fitting, Excel, Link to Python, Maths, Newton, NumPy and SciPy, UDFs, VBA | Tagged , , , , , , | 9 Comments

Debugging with xlwings and PyCharm

Posted on 26/01/2017 by dougaj4

The xlwings documentation covers de-bugging, but it is very brief and it took me some time to get everything working, so this article covers the process in a bit more detail.  The details are affected by the editor being used, … Continue reading →

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Some thoughts on Magic …

Posted on 23/01/2017 by dougaj4

… from Alana Hicks, Leonard Cohen, and Buffy St Marie. Alana Hicks is a friend of my daughter’s.  This is her story: … which reminded me of a song I heard once on the radio over 40 years ago, and … Continue reading →

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