Notes

Neural network perceptron

Sigmoid is one of the most widely used non-linear activation function. It transforms the values between the range 0 and 1

Neural network sigmoid

Neural networks activation function

Ggplot US Gun Murders

Replace character in R dataset

Lets assume we have folowing dataset

QR code with Python

Its very simple to generate qr code with python, just install qrcode: pip install qrcode[pil]

Scrape html table in R with rvest

Transpose data frame in R

final_df <- as.data.frame(t(starting_df)) final_df