I have a set of data and I want to compare which line describes it best (polynomials of different orders, exponential or logarithmic). I use Python and Numpy and for polynomial fitting there is a function polyfit(). But I found no such functions for exponential and logarithmic fitting. Are there any? Or how to solve … Read more
Closed. This question does not meet Stack Overflow guidelines. It is not currently accepting answers. Want to improve this question? Update the question so it’s on-topic for Stack Overflow. Closed last year. Improve this question When we have to predict the value of a categorical (or discrete) outcome we use logistic regression. I believe we … Read more
I wonder how to add regression line equation and R^2 on the ggplot. My code is: library(ggplot2) df <- data.frame(x = c(1:100)) df$y <- 2 + 3 * df$x + rnorm(100, sd = 40) p <- ggplot(data = df, aes(x = x, y = y)) + geom_smooth(method = “lm”, se=FALSE, color=”black”, formula = y ~ … Read more
