2020年9月7日
[Machine Learning] Multiclass Classification - one vs all
摘要： To classify data into multiple classes, we let our hypothesis function return a vector of values. Say we wanted to classify our data into one of four 阅读全文
posted @ 2020-09-07 03:05 Zhentiw 阅读(250) 评论(0) 推荐(0)
[Machine Learning] Neural Networks -- XNOR
摘要： Combine X1 & X1 with !X1 & !X2 to get first hidden layer as result. Then hidden layer with X1 OR X2 to get final result. 阅读全文
posted @ 2020-09-07 02:53 Zhentiw 阅读(128) 评论(0) 推荐(0)
[Postgres] Subquery Dynamic Datasets in SQL
摘要： SQL is dynamic enough to handle queries within queries. These inner queries are called subqueries and they can be used in many different sections of a 阅读全文
posted @ 2020-09-07 01:50 Zhentiw 阅读(177) 评论(0) 推荐(0)