Used car price forecast -- task 1 understanding and baseline

preface This competition is a data analysis novice learner development competition organized by Tianchi data platform. The content of the competition is used car price prediction. The data is provided by Tianchi platform. When I first saw this topic, my first reaction was to use the linear regression method. Of course, this is the simp ...

Added by justin.nethers on Tue, 08 Mar 2022 15:56:41 +0200

[machine learning] how to use Bayes_opt, HyperOpt and Optuna realize parameter optimization? How to use Bayesian search to improve the speed of parameter optimization?

Contents of this chapter: How to use Bayes_opt to achieve parameter optimization, and cases?How to use HyperOpt to realize parameter optimization, and cases?How to use Optuna to realize parameter optimization, and cases? HPO LibraryPros and cons evaluationRecommendation Indexbayes_opt✅ Bayesian Optimization Based on Gaussian process ✅ When ...

Added by groberts23 on Tue, 08 Mar 2022 14:48:38 +0200

One of a series of useless python applets

Tip: after the article is written, the directory can be generated automatically. Please refer to the help document on the right for how to generate it preface The original intention of learning python is shown in the figure. Then the boss of Tsinghua University recommended python to me. From then on, I started the road of learning by fi ...

Added by camdenite on Tue, 08 Mar 2022 14:21:01 +0200

Prevent overfitting

Get more training data (data enhancement) Data enhancement using geometric transformations Geometric transformations such as flip, crop, rotation and translation are some commonly used data enhancement techniques. GAN based data enhancement Reduce network capacity The simplest way to prevent overfitting is to reduce the size of the mod ...

Added by naveendk.55 on Tue, 08 Mar 2022 11:52:36 +0200

LeetCode daily question solution: 2055 Plates between Candles - problem solving - python && C + + source code

Here is a long table with plates and candles lined up on it. Give you a string s with subscript starting from 0 |, which contains only the characters' * 'and' | ', where' * 'represents a plate and' | 'represents a candle. At the same time, you will be given a two-dimensional integer array {queries with subscript starting from 0}, where {querie ...

Added by karikamiya on Tue, 08 Mar 2022 11:30:18 +0200

Sass loader is integrated in the front end, and node sass reports errors

The final implementation method recommended here is a set of specific version configuration (personal test available) When integrating sass syntax in today's project, the installation of SASS loader is very smooth, but there are problems when installing node sass. The errors are as follows: npm ERR! code 1 npm ERR! path D:\Code\yuneban\code\v ...

Added by khjart on Tue, 08 Mar 2022 10:29:10 +0200

linux i2c driver II IIC controller

catalogue i2c module block diagram ug-1085(ch22) 2. Device tree of controller and slave devices 3. Check i2c controller driver registration process: standard platform driver framework Interface for reading temperature from the device: The essence of reading and writing: finally, it is to read and write through adapter - > algo in the cl ...

Added by laeelin on Tue, 08 Mar 2022 10:15:31 +0200

One of pandas learning: excel to dictionary

1.to_ Basic syntax of dict() function DataFrame.to_dict  (self,  orient='dict' ,  into= )--- official documents For each function, you only need to fill in one parameter: orient , but the dictionary is constructed in different ways for different functions. The official website gives a total of six types, and one of them is the list t ...

Added by LarryK on Tue, 08 Mar 2022 09:38:16 +0200

Use jieba, forward maximum matching algorithm and backward maximum matching algorithm to segment words

Use jieba, forward maximum matching algorithm and backward maximum matching algorithm to segment words Today, we start word segmentation. I have sorted out some lines in Wong Kar Wai's films, with a total of 79 lines, which are from the more famous "east evil and West poison", "spring light and sudden release" and "Cho ...

Added by maverickminds on Tue, 08 Mar 2022 08:50:51 +0200

Crawler: three practical techniques for parsing HTML messages with BeatifulSoap

☞ ░ Old ape Python blog Directory: https://blog.csdn.net/LaoYuanPython ░ 1, Introduction to beautiful soup BeautifulSoup is a class for HTML parsing provided by the Python third-party module bs4. It can be considered as an HTML parsing toolbox, which has a good fault-tolerant recognition function for tags in HTML messages. lxml is an HTML ...

Added by erikjan on Tue, 08 Mar 2022 06:16:54 +0200