LiLian

DaybreakMorning is a revealing; confession of rivers, Rainfall hushed of the rhetoric of surprise,Field that can furrow the heart; a land our eyesHave learnt by rote, not leaned over like lovers;Secret divulged, of towns in a pit of horror,Wars white-hot in the foundry’s flickering womb;Compassionately day underlines the doomWe paste on a hoarding, peer at in a mirror;Tripped by the tree’s root — all perfection felledYet faint with bloom — we flatter in man the torridZealot of metal, cheat the wildwood forehead,Prune of…

A comprehensive guide for what it takes to estimate solar panel output using Python and QGISImage by Jack Price-Burns from Unsplash.To figure out how much solar energy a rooftop can produce, we need the following information:Roof slopeRoof azimuth (orientation towards the Sun)Number of solar panels a roof can holdShading factor (the percentage of light that is blocked from shadows)Solar irradiance (how much total sunlight the roof receives)The problem is that determining the first four variables requires a site visit…

A detailed, step-by-step guide to data cleaning in Python with sample code.Image from Markus Spiske (Unsplash)You have a dataset in hand after scraping, merging, or just plain downloading it off the internet. You’re thinking about all the beautiful models you could run on it but first, you’ve got to clean it. There are a million different ways you could start and that honestly gives me choice paralysis every time I start.After working on several messy datasets, here is how I’ve structured my data cleaning pipeline. If you…