17 More Must-Know Data Science Interview Questions and Answers

There are 17 questions from KDnuggets but I will summarize the key contents below: Minimizing total model error relies on the balancing of bias and variance errors. Ideally, models are the result of a collection of unbiased data of low variance. Unfortunately, however, the more complex a model becomes, its tendency is toward less bias but … Continue reading 17 More Must-Know Data Science Interview Questions and Answers

AI Big Data Summit

AI Big data的应用场景是第一位的,从应用场景出发,在实际应用中锻炼大数据的能力 关于转到big data and AI: 兴趣 领域知识集+技术知识集 Others: block chain数据隐私问题 科大讯飞芜湖市政府 信用评级 cmu AI professor to jpmorgan 大数据养猪,好的方法是好的数据养出来的。 p博弈论算法 mp量子计算方法 中国优势:应用场景创新 美国优势:技术创新本身-人才多元化,文化多元化。 我的想法:在美国锻炼技术创新能力 理论大家都懂,关键是工具的利用方法。-Xionghui

Introduction to Major ML Algorithms

List of Common Machine Learning Algorithms Naïve Bayes Classifier Algorithm K Means Clustering Algorithm Support Vector Machine Algorithm Apriori Algorithm Linear Regression Logistic Regression Artificial Neural Networks Random Forests Decision Trees  Nearest Neighbours 1) Naïve Bayes Classifier Algorithm It would be difficult and practically impossible to classify a web page, a document, an email or … Continue reading Introduction to Major ML Algorithms

How a Kalman filter works, in pictures

This is a post from http://www.bzarg.com/p/how-a-kalman-filter-works-in-pictures/ which I believe it is the most intuitive explanation of Kalman filter. I have to tell you about the Kalman filter, because what it does is pretty damn amazing. Surprisingly few software engineers and scientists seem to know about it, and that makes me sad because it is such a … Continue reading How a Kalman filter works, in pictures

How to Tune Algorithm Parameters with Scikit-Learn

by Jason Brownlee on July 16, 2014 in Python Machine Learning Machine learning models are parameterized so that their behavior can be tuned for a given problem. Models can have many parameters and finding the best combination of parameters can be treated as a search problem. In this post you will discover how to tune … Continue reading How to Tune Algorithm Parameters with Scikit-Learn

SQL syntax that you should pay attention to

The article will mainly talk about some pitfalls or important command of general SQL, just mark them and for future reference. Most of the content comes from SQL tutorial .   1. SQL Injection SQL injection is a technique where malicious users can inject SQL commands into an SQL statement, via web page input. Injected SQL … Continue reading SQL syntax that you should pay attention to