<p>Recently I saw that there is a new <a href="https://scicomp.stackexchange.com/">Computational Science SE</a> site and it seems to overlap considerably with scientific and statistical computing. Those questions seem to be welcomed on both sites. How do I distinguish where each question goes?</p>

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<p>For a motivating example, I recently came up with a question where I couldn't figure out which site was appropriate. I wanted to compare scipy's implementation of PCA with my own. (The question can be found <a href="https://stackoverflow.com/questions/38799205/why-are-my-manual-pca-reconstructions-not-matching-pythons-sklearns-reconstruc">here</a>.) How would I know if this question was better for Cross Validated or computational science?</p>

<p>(Note that I ended up submitting it to Stack Overflow even before these two sites occurred to me. That may have been a mistake on my part. Feel free to contribute more or better examples to distinguish where questions go where.)</p>
