Episode 100: A thorny and divisive topic! Fresh Thinking Podcast by Snowden Optiro скачать в хорошем качестве

Episode 100: A thorny and divisive topic! Fresh Thinking Podcast by Snowden Optiro

In this episode, Ian Glacken our Executive Consultant in Perth, Australia discusses the thorny and divisive topic about whether we should be trying to minimise conditional bias in an estimate or should we be striving for a better idea of grade/tonnage relationship at the time of mining? Ian is joined in this discussion by Graeme Lyall our Executive Consultant who is based in Santiago, and Dr Oscar Rondon, Principal Geostatistician Datamine. This podcast video at a glance: 1:26 What is conditional bias 3:03 Schools of thought about conditional bias 4:19 The kriging oxymoron 6:19 The least of 2 evils 7:00 Important difference between the 2 schools of thought 7:47 Conditional bias and smoothing 8:40 What is KNA? 11:42 Discrete Gaussian method 15:00 Suggested papers to read. A practical Analysis of the effects of spatial structure and of data available and accessed, on conditional biases in ordinary kriging by D.G Krige. Quantitative kriging neighbourhood analysis for the mining geologist - A description of the method with worked case examples by J.Vann, S. Jackson and Olivier Bertoli. The Slope of Regression for Kriging Estimators by Clayton V Deutsch Conditional Bias in Kriging - Let's keep it by M. Nowak and O. Leuangthong. The Kriging Oxymoron: A conditionally unbiased and accurate predictor by Edward Isaaks If you'd like to connect with Ian, Graeme or Oscar please email them: [email protected] This video podcast is also available as a free audio podcast on Libsyn, Spotify, Apple Podcasts and most other podcast platforms. Snowden Optiro is a resources consulting and advisory group that provides independent advice, consulting and training to mining and exploration companies, their advisors and investors. We help mine developers to advance their projects, mining companies to improve their operations and their professionals, and investors to derisk their investments by the provision of quality advice, training and software in the field of Mineral Resources and Mineral/Ore Reserves. https://snowdenoptiro.com https://snowdenoptiro.com/professiona... [email protected]