Inspired by Joe Wang and Tony Qi, i did a summarization of Survival analysis and Restricted Mean Survival Analysis.Restricted Mean Survival Analysis
Python Day 17: Polar Coordinate in Python ” You are round and short, . . in polar coordinate.” So today we will introduce the most basic calculation in Python for the Polar coordinates. z= x+ y*i (x, y in R, i in C)
Math Day 6: Goldbach Conjecture Trial in Python: Because of the dramatical story of Chen jing run(陈景润), Chinese society has a special sentimental enthusiasm attached to the Goldbach Conjecture. Majority of the public think it is the most difficult and fascinating maths problem in the world. The truth is Goldbach Conjecture is extremely easy to understand, yet remains unproven. Goldbach’s…
Math day 5: Fibonacci Sequence Fibonacci Sequence and Music In western music theory, we know an octave including 13 notes: C, C#, D, D#, E, F, F#, G, G#, A, A#,B, C (1,1#,2,2#,3,4,4#,5,5#,6,6#,7,i) Is there anything special about numbers 13?
R day 1: Fractal Background I am reading Godel, Escher, Bach, and recursion is one of the main topics the book discussed. Recursion is a pattern and never ends, or goes to infinite. ( EX. Bach’s Fugue, Escher’s stairs, Godel incompleteness theorem).
Python Day 16 1. distinct Average suppose we want to find the distinct average of a list. Key: we need to use SET function.
Data Science day 24 : Price Law Vs. Pareto Principle Almost everyone knows about the Pareto Principle (20/80 Rule), but few people know about Price Law. From Dr.Ford’s Class last week, we learned the Price Law and I am fascinated about it. Today we will go over the basic principle’s of these two laws and use a small python program…
Data Science Day 23
Happy Reading! 🌞
Python Day 15 Love Earth Day ❤ the Earth day is coming! many years ago, i vaguely remember krupa, tim and i were spending the earth day together. I forgot who said the best way to celebrate earth day is to throw Krupa in the trash can. haha… this year, I decided to celebrate the Earth day by throwing a…
Python day 14 Who is the True Lucky Guy? In Wechat red-packet game, the best luck winner usually ends up in with a negative balance, because he/she has to send out a red-packet after winning the Best Luck Red Packet. That leaves the Second best luck guy to be the true best luck overall in the game.