ptnplanet/Java-Naive-Bayes-Classifier - A java classifier based on the naive Bayes approach. maxliaops/Java_Web_Examples - 《实战突击:Java Web项目整合开发》源码 lessthanoptimal/ejml - A fast and easy to use dense matrix linear algebra library written in Java. Dreampie/icedog - java+angular+...
> db.inventory.distinct(“dept”) //获取dept字段的不重复值 结果:[“A”,”B”] > db.inventory.distinct(“item.sku”)//获取item子字段sku的不重复值 结果:[“111”,”222”,”333”] >db.inventory.distinct(“sizes”)//获取数组格式字段的不重复值 结果:[“M”,”S”,”L”] >db.inventory...
数据集获取:sms.tsv Github:https://github.com/jalajthanaki/NLPython/blob/master/ch8/Spamflteringapplication/data/sms.tsv 代码实现细节分析: (1)导入包 import pandas as pd import numpy as np from sklearn.cross_validation import train_test_split from sklearn.feature_extraction.text import CountVecto...
OrientDB can run distributed (Multi-Master), supports SQL, ACID Transactions, Full-Text indexing, Reactive Queries and has a small memory footprint. OrientDB is licensed with Apache 2 license and the development is driven by Orient Technologies and a wide Open Source community. JakeWharton/hugo ...
MongoDB中的集合查询(获取一组文档中某个字段的不同值列表) 运用方法:DBCollection对象方法中的 distinct() 语句: 语句结构:distinct(key,[query]) key字符串,指定获取哪个字段的不同值;query:包含标准查询选项的对象,指定了要从哪个文档中获取不同的字段值 ...
(maize crop); (b) the midstream Rejoso Watershed under (b.1) 87% canopy cover of pine/mahogany-based old production forest, (b.2) 75% canopy cover of coffee-based agroforestry, (b.3) 52% canopy cover of clove-based agroforestry, (b.4) 26% canopy cover of mixed tree and crop-...