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Charli Oliver

Charli Oliver

  • Joined: November 25, 2022
  • Articles: 300

This week’s 30 Seconds of Info: Be aware of the limitations of ID estimation. Ian Glacken – Director of Geology

Ian Glacken - Director of Geology's 30 Seconds of Advice. Be aware of the limitations of ID estimation: Inverse distance (ID) is often touted as a viable alternative to Ordinary Kriging (OK), and it can be – but you must appreciate its two or three very serious limitations and correct for these. The limitations are that there is no accounting for data clustering (unlike OK) and the choice of a power is essentially arbitrary. As long as you are aware of these issues, ID can sometimes be used as a ‘check’ technique for OK.

30 Seconds of Info from Ian Glacken – Director of Geology: Always look at a range of top-cut (capping) techniques

This week's 30 Seconds of Info comes from Ian Glacken - Director of Geology: Always look at a range of top-cut (capping) techniques: There is no single ‘magic bullet’ technique for top-cutting a set of data; the top-cut chosen will depend upon the nature of the data, the support of the data and the location of the sample points...