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when to use factor () when plotting with ggplot in R? ggplot(mtcars) + geom_point(aes(x=mpg, y=drat, colour=gear)) This communicates a continuum of points, and it's thus not ideal for a set of separate possibilities (Indeed, once you get to five or six possibilities the colors can be hard to distinguish from each other) When gears is treated like a factor, the colors are chosen to be
polynomials - General factorization of $x^n-y^n$ (n is real . . . Stack 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 Overflow From 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:
polynomials - Factorise $x^n + 1$ - Mathematics Stack Exchange 2 Factorization amounts to root finding xn = − 1 x = ei (2k + 1) π n and the factors are x − ei (2k + 1) π n for k = 0, ⋯n − 1 (modulo n) If you want a factorization with real coefficients only, then consider the roots in conjugate pairs (x − ei (2k + 1) π n)(x − e − i (2k + 1) π n) = x2 − 2cos((2k + 1)π n)x + 1
ggplot2: change order of display of a factor variable on an axis The important point here is the order of the factor levels The order in the levels is also the order in the plot You can use rev to reverse the order of the levels like this (note that I just reorder one column in a data frame):
How to factor $x^5 - 1$? - Mathematics Stack Exchange Another general idea is the following: Since your polynomial is of degree $5$ and $5=3+2=4+1$ then you get that you can factor it as either a linear polynomial times a polynomial of degree $4$ or a cubic times a quadratic
Changing plot scale by a factor in matplotlib - Stack Overflow I am creating a plot in python Is there a way to re-scale the axis by a factor? The yscale and xscale commands only allow me to turn log scale off Edit: For example If I have a plot where the x scales goes from 1 nm to 50 nm, the x scale will range from 1x10^(-9) to 50x10^(-9) and I want it to change from 1 to 50 Thus, I want the plot