摘要： Alteryx: 1. P-value: the p-value is the probability that the coefficient is zero. If the p-value is high, we should not rely on the coefficient estima 阅读全文

摘要： Linear Regression 1. Problem Understanding: What type of decision do we need to make? The answer of this quesion has to be an yes/no answer. What type 阅读全文

摘要： Methodology Map: Methodology map helps us to determine which method I am going to use to solve the business problem: 1. NON-predictive problems: a. Ge 阅读全文

摘要： Business Issue Understanding: 1. What decision need to be made? 2. What information need to inform that decision? 3. What type of ANALYSIS will provid 阅读全文

摘要： 1. While we are editing a file in commend line: a. Press x to delete the code under the cursor. b. Press i to enter insert mode. And press ESC to exit 阅读全文

摘要： A very common development workflow when using git looks like this: Create a branch off of master with the name of your feature. Let's say feature/bett 阅读全文

摘要： 1.Use git push origin(remote) more-speech(branch) to push the latest branch to a remote. 2.Here we use git merge to merge two branch together. We have 阅读全文

摘要： The use of github: 1. get clone command allows you to get a remote repository to your computer。 2. Every git repository consists of one or more branch 阅读全文

摘要： Using git.1. Initialize git: Type git init in the desitnated folder you want to initialize. 2. Initializing a Git repository will create a folder call 阅读全文

摘要： Python Script: 1. Add some lines into a blank file: echo "hello world" >> text.txt. Everytime before create a script file. we have some steps: a. Crea 阅读全文