Posts Tagged ‘ nls ’

Because it’s Friday: French Press Heat Retention

May 13, 2011
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Because it’s Friday: French Press Heat Retention

While responding to this thread on Reddit I made a rough guess as to the heat retention of my french press when completely full of coffee. When I went to bed I realized there was no good reason why I … Continue reading →

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In a nls star things might be different than the lm planet…

March 10, 2010
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The nls() function has a well documented (and discussed) different behavior compared to the lm()’s. Specifically you can’t just put an indexed column from a data frame as an input or output of the model. __ nls(data ~ c + expFct(data,beta), data = time.data, + start = start.list) Error in parse(text = x) : unexpected

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