Category: Data Science

-当data science 届的网红

In order to fulfill my dream, I will organize the lecture notes, homework,  projects from Harrisburg University . Meanwhile, I will publish some data analysis related topics.

Online publication link:

Rpubs ,Github  , Kaggle

Fractal Art

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).

Price Law vs Pareto Principe

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…

Python Little Goal 9

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 Little Goal 8

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.

Python Little Goal 7

Python Little Goal 7 Today we will try to work with Python Strings&nbsp; Task1: Task2: You are given a string  and width . Your task is to wrap the string into a paragraph of width Example: String :ABCDEFGH, Max_width= 4 Output: ABCD EFGH <img src=”” title=”” alt=”” /> <a href=””>Python with String Operation</a> <a href=””>Wrap String</a> Python with String Operation s = input() #alphanumerical…

Python Little Goal 6

Python day 12 Today we will work with the character strings in Python a little bit. 1.Swap Case  The task is to swap cases. Convert all lowercase letters to uppercase letters and vice versa.

Python Little Goal 5

Python Day 11   1.Average Scores When I was in college, getting up for an 8 am Quiz was always a challenge for me, some professors had the policy take the average of a missing Quiz.  Of course, Excel can do the job, since I want to be a real Data Scientist, we will learn how to find an average…

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