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ArArCALC Help Library |
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ArArCALC Help Library |
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2.2.7 EXP, PAR, LIN and AVE Buttons
When performing data regressions, ArArCALC does not decide which fit to the data (exponentional, parabolic, linear or average) gives the best results. For this purpose, you can set the default regression type for each argon isotope in the preferences (see also: Calculation Preferences). Only in one particular case, when the exponential and parabolic are similar to the linear least-squared fit, ArArCALC accepts a linear fit by default. However, based on the calculation results (see the boxes to the right of the scatter plot) you can always overrule these program decisions yourself, by choosing the appropriate button on the ArArCALC toolbar: Exp, Par, Lin or Ave. In the example below the parabolic fit has been chosen by the user.
See also ...
Contents ArArCALC Chapter 2 Function by Function Topic 2.2.1 Save Topic 2.2.2 Switch to Age Calculation Topic 2.2.3 Sample Parameters Topic 2.2.4 Sample Type and Experiment Name Topic 2.2.6 Ar40. Ar39 ... Ar36 Buttons Topic 2.2.8 Copy Chart Topic 2.2.9 Save Chart Topic 2.2.13 Reset
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