Category Archives: Tutorials

Fitting polynomial or exponential curves to biological data in Python

Raw data are not always pretty. Data can have different patterns, be noisy, and vary from trial to trial. We usually collect data to measure, or more accurately, estimate an effect or phenomenon. At times, it is necessary to fit a mathematical expression to raw data in order to estimate the underlying effect or phenomenon. We can then use this

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Use LaTeX templates to write scientific papers

As researchers, we have to write and publish scientific papers to let the world know about our work. The process of preparing a scientific paper can be enjoyable, but it can also be arduous. Different journals and publishers have different requirements about how we should format our submission. The title page should include certain items, the headers should be bold

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Multiple linear regression in R

In a previous blog, we applied simple linear regression to an interesting problem: how well does a measure of wine density account for alcohol content. This was considered simple linear regression because we had one outcome variable (alcohol content) and one predictor variable (wine density). We can extend this approach to have more than one predictor. Specifically, we can use

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