Regressions on TW plots

[riouxm]

It would be nice to be able to do regressions on TW plots for LA-ICP-MS data, with the option to peg the upper end of the regression to a given 207Pb/206Pb.

[bowring]

@riouxm - please provide some examples or sketches for this feature. Is it a sample date interpretation as well (as are the weighted means, etc.)?

[riouxm]

Hi Jim,

It would be useful to be able to regress upper and lower intercept dates on TW plots, much like Redux can do on traditional concordia plots.

This is something laser folks use a lot. It would be nice to be able to anchor the regressions to a set 207/206 value.

Noah will need to provide math. We have discussed it before, and he might even already have the math worked out. He will know what I am talking about.

Thanks for addressing all my comments and bugs.

Matt

On Oct 1, 2016, at 10:14 AM, Jim Bowring [email protected] wrote:

@riouxm - please provide some examples or sketches for this feature. Is it a sample date interpretation as well (as are the weighted means, etc.)?

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