python data analysis tool

python data analysis tool The data analysis function of python itself is not strong, so we need to install some third-party extension libraries to enhance its corresponding functions. Extension library related to python data analysis and mining; expanded memory bankbrief introductionNumPyProvide array support and corresponding efficien ...

Posted by MissiCoola on Mon, 07 Mar 2022 12:37:01 +0100

Data mining learning notes (Tianchi used car prediction 02)

1. Data analysis EDA 1. The value of EDA mainly lies in being familiar with the data set, understanding the data set, and verifying the data set to determine that the obtained data set can be used for subsequent machine learning or in-depth learning. 2. After knowing the data set, our next step is to understand the relationship between var ...

Posted by tHud on Sat, 05 Mar 2022 03:16:58 +0100

AI + wireless communication - Summary of Top7 (Baseline)

Team Introduction The name of our team is Baseline. Because we share Baseline, we call our team Baseline. Captain: Fang Xi is from Shanghai Jiaotong University, the third graduate student. Team member: LV Xiaoxin from Netease, AI Engineer Team member: Wang Hao is from Beijing Xinghe bright spot, software R & D Team member: Yang Xinda i ...

Posted by frosty1433 on Sat, 05 Mar 2022 02:14:57 +0100

Financial data analysis - DataJoy bank customer purchase forecast

This forecast relates to the marketing activities of Portuguese banking institutions. These marketing activities are generally based on telephone. The customer service personnel of the bank contact the customer at least once to confirm whether the customer is willing to buy the bank's products (time deposit). The basic type of task is classifie ...

Posted by WildcatRudy on Fri, 04 Mar 2022 16:43:00 +0100

Python implementation of k-nearest neighbor algorithm

Python implementation of k-nearest neighbor algorithm 1, Overview K-nearest neighbor algorithm, also known as KNN algorithm, is the simplest algorithm in data mining technology. Working principle of KNN: given a training dataset with known label category, after inputting new data without label, find K instances closest to the new data in the ...

Posted by mrinfin1ty on Sun, 27 Feb 2022 15:31:53 +0100

[Java common sense] 1.0 one of the three features of Java -- class inheritance (constructor)

1.0 transfer to the next platform. For the things written before, they have recently moved them to the Jane book, and they will write on the Jane book in the future. 2.0 in Java, the format of creating objects is: Class name object name = new class name (); For example: JFrame jf = new JFrame(); When an object is created, it often needs to do ...

Posted by mrneilrobinson on Thu, 24 Feb 2022 14:40:07 +0100

Java crawler crawls Jingdong Mall

1, Task: The purpose is to extract various commodity information in the network by using java crawler, establish a unified data model to store data, and describe the basic attributes of commodities through the data model. Such as spu, sku, product description, price and other information. At the same time, it is necessary to eliminate unnecess ...

Posted by -Karl- on Wed, 23 Feb 2022 17:33:41 +0100

Graphical python dictionary

Author: Han Xinzi@ShowMeAITutorial address: http://www.showmeai.tech/tuto...Article address: http://www.showmeai.tech/article-detail/79Notice: All Rights Reserved. Please contact the platform and the author for reprint and indicate the source1.Python dictionaryA dictionary is another variable container model and can store objects of any type.Ea ...

Posted by LoStEdeN on Wed, 23 Feb 2022 05:48:59 +0100

Machine learning Sklearn summary 2 - Classification Algorithm

catalogue 1, Converter and estimator 2, Classification algorithm K-nearest neighbor algorithm Case code: Model selection and tuning Case code: Naive Bayesian algorithm: Summary of naive Bayesian algorithm Case code: Decision tree summary: Case code: Use random forest to achieve: Random forest summary summary Code set of this ca ...

Posted by irkevin on Mon, 21 Feb 2022 09:38:40 +0100

Credit scoring model development (FICO scoring)

Take Alipay's Sesame credit as an example, its value range is 350-950 points. It is generally believed that the higher the score, the better the credit and the lower the default rate of personal business. Here is also a personal credit scoring tool similar to FICO scoring. The idea of FICO scoring is: collect / analyze / convert a large number ...

Posted by nick5449 on Sat, 19 Feb 2022 05:52:12 +0100