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Author: Han Xinzi@ShowMeAITutorial address: http://www.showmeai.tech/tutorials/84Article address: http://www.showmeai.tech/article-detail/178Notice: All Rights Reserved. Please contact the platform and the author for reprint and indicate the sourceintroductionThis is one of the most widely used cases of video and audio data processing of HDFS, ...

Author: Lemon Nan Original address: https://mp.weixin.qq.com/s/SUUHF9R_FKg-3vq7Q3cwBQ The original text and address shall be indicated introduce Clickhouse itself is an analytical database, which provides many synchronization schemes with other components. This paper will take Kafka as the data source to introduce how to synchronize Kaf ...

Author: Han Xinzi@ShowMeAITutorial address: http://www.showmeai.tech/tutorials/84Article address: http://www.showmeai.tech/article-detail/176Notice: All Rights Reserved. Please contact the platform and the author for reprint and indicate the sourceintroduction2020, since covid-19 has changed the world and affects everyone's life, this case comb ...

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 ...

#coding:utf-8 #Import warnings package and use filter to ignore warning statements. import warnings warnings.filterwarnings('ignore') import pandas as pd import numpy as np import matplotlib.pyplot as plt import seaborn as sns import missingno as msno ## 1) Load training set and test set; path = './' Train_data = pd.read_csv(path+'car_train_ ...

Function of box chart: cleaning abnormal data Box plot, also known as box whisker chart, box chart or box line chart, is a statistical chart used to display a group of data dispersion. Named for its shape like a box. It is also often used in various fields, often in quality management. It is mainly used to reflect the distribution charact ...

Contents of this meeting: Python collects the data content of the website and saves the detailed information in PDF Development environment used this time: Python 3.8Pycham 2021.2 Professional EditionThe wkhtmltopdf installation package is required to save the PDF You can click to receive the above environment Module usage: Module to be in ...

Python project practice: analyze big data with PySpark Big data, as its name implies, is a large amount of data. Generally, these data are above PB level. PB is the unit of data storage capacity, which is equal to the 50th power of 2 bytes, or about 1000 TB in value. These data are characterized by a wide variety, including video, voice, pictu ...

Long format dataframe and wide format dataframe are two forms of data frames, which appear frequently in data analysis. In the process of data processing, It is often necessary to switch between the two. Based on pandas, this paper introduces the mutual conversion operation of long data and wide data. environment python3.9win10 64bitpandas= ...

Contents of this chapter: The principle and operation process of half grid search (theoretical description)Description of halfinggridsearchcv parameter in sklearn🤷‍♀️ Case: half grid search_ House price data set_ python Indexes 🔣 Functions and parameters🗣 case🤷‍♀️ case📖 Extract 1 (Theory) principle and process of ha ...