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Bookmark or Share- factoring - Notation: is a factor of - Mathematics Stack ExchangeStack Exchange Network. Stack Exchange network consists of 183 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.
- r - Changing factor levels with dplyr mutate - Stack OverflowFrom my understanding, the currently accepted answer only changes the order of the factor levels, not the actual labels (i.e., how the levels of the factor are called). To illustrate the difference between levels and labels , consider the following example:
- r - Why use as.factor() instead of just factor() - Stack Overflow‘factor(x, exclude = NULL)’ applied to a factor without ‘NA’s is a no-operation unless there are unused levels: in that case, a factor with the reduced level set is returned. ‘as.factor’ coerces its argument to a factor.
- polynomials - Factorise $x^n + 1$ - Mathematics Stack ExchangeWrite $$ x^n+1 = \frac{x^{2n}-1}{x^n-1} $$ The factorization over $\mathbb Q$ of the polynomials in the fraction are given by cyclotomic polynomials. Share Cite
- How to plot data grouped by a factor, but not as a boxplotYou can do it with ggplot2, using facets.When I read "I want to create a plot where the data points are grouped as defined by the factor", the first thing that came to my mind was facets.
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