Recently, I have been working on a short text classification system. I have tried to use Naive Bayesian algorithm to make a baseline model (this algorithm was not adopted in the end). Naive Bayesian method is a very simple and efficient classification algorithm. This algorithm has been watched several times intermittently. Today, I will make a summary. The contents refer to Li Hang's Statistical Learning Method and Goodfellow's Deep Learning.
Toutiao: 1. Intel Wireless Charging Dramatically Draws Down and Businesses Lay Off Staff;2.IDC: Global Mobile Phone Assembly Factory Shipment Ranking in the First Quarter;3. U.S. research found that cell phone use is associated with cancer.4. Zhejiang police destroyed the industrial chain of stolen and sold Apple mobile phones worth more than 100 million yuan.5. Finnish government accuses Microsoft of Nokia Von Trapped;6. CTS Technology in China Fines US$ 34.9 Million
Microservices is a very hot concept in recent years, especially in the context of the Internet, Microservices's theory has the opportunity to be widely practiced.However, in the process of practice, people's understanding of Microservices is indeed very different. How can we really master Microservices's architecture theory?Through this article, I would like to share with you my understanding of Microservice. What is Microservices The emergence of Microservices has brought many benefits
Version 1.0 of Term frequency–inverse document frequency Optimization Algorithm for News Tag Extraction-Based on jieba Word Segmentation declaration Reproduction is acceptable, but please indicate the source.Mark the original link and respect the author's hard work. Original Link This paper is written with reference to the paper "Based on Improved Keyword Extraction from Chinese Websites
[furnace smelting AI] machine learning 002- mark coding method [Python library and version number used in this article]: Python 3.5, Numpy 1.14, Scikit-Learn 0.19 There are various forms of marks in supervised learning. For example, marks for face recognition may be ["Little Red", "Little Flower", "Cui Hua"...], these marks are like gobbledygook for machine learning, so in order for machine learning to "understand" these marks, the marks of these text
Spark ML model pipelines on Distributed Deep Neural Nets This notebook describes how to build machine learning pipelines with Spark ML for distributed versions of Keras deep learning models. As data set we use the Otto Product Classification challenge from Kaggle. The reason we chose this data is that it is small and very structured. This way, we can focus more on technical components rather than prepcrocessing intricacies.
1. sklearn preprocessing Standardization is standardization, which converts data into data with zero mean and one variance as much as possible, such as standard normal distribution (Gaussian distribution).In practice, we will ignore the distribution of the data, just change the mean value to centralize the data, and then divide the discontinuous features by their standard deviation. 1.1 Standardization: De-averaging, Variance Scaling Standardization standardization standardization: adjust the distribution of characteristic data
please refer to sklearn_ data processing API for help! Standard Normalization Normalized to a mean of 0 and a variance of 1 sklearn.preprocessing.scale function: standarddize ataset alonganyaxisFirst post the main source code, at first glance, very messy, in fact, look closely, is more than a few judgment sparse matrix such as conditional code. #coding=utf-8 import numpy as np from scipy import sparse def _handle_zeros_in_scale(scale, copy=True): ''' Makes sure that whenever