Dan H. dagrha

dagrha / 2-mark_all_ebooks_as_favorite.lua

Created February 3, 2024 21:10

KOReader User Patch to add all ebooks found on device to the Favorites collection

	-- KOReader user patch to add all ebooks found on device to the Favorites collection

	function find_files(directory, file_extensions)
	local result = {}

	-- Helper function to recursively search for files
	local function search_files(dir)
	for file in io.popen('ls -1 "' .. dir .. '"'):lines() do
	local path = dir .. '/' .. file
	local file_extension = file:match("^.+(%..+)$")

dagrha / simple_linear_regression.py

Created November 8, 2020 22:53

Put in a dictionary r2, equation, and series to plot from simple linear regression for easy use with matplotlib

	# © 2020 dagrha. GPLv3.0

	def linear_regression(df, x_col, y_col):

	from sklearn.linear_model import LinearRegression
	from sklearn.metrics import r2_score

	x = df[(df[x_col].notnull()) &(df[y_col].notnull())][x_col].values.reshape(-1, 1)
	y = df[(df[x_col].notnull()) &(df[y_col].notnull())][y_col].values.reshape(-1, 1)