I have done an analysis through Statistics on solder volume whose purpose is to identify the required volume for different pitch printing (0.65 or above, 0.50, and 0.40 mm). Finally, came out a regression model. But, I need to evaluate the model through prediction accuracy analysis. The question is how can I set the volume ranges are adequate to obtain good printing quality according to these three pitches. for example, for 0.65 mm pitch printing, the prediction accuracy will stay below 10% to have empirical benefit. Your suggestions will be highly appreciated!
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