Python data analysis - Numpy numerical calculation - 1-ndarray creation and index

1. Create (1) ndarray data type bool inti (integer whose precision is determined by the platform), int8, int16, int32, int64 (signed integer) unit8, unit16, unit32, unit64 (unsigned integer) float16, float32, float64/float (floating point number) complex64 (complex, real and imaginary parts are represented by two 32-bit floating-point num ...

Posted by exasp on Fri, 19 Nov 2021 02:26:27 +0100

EDA and data mining: analysis of ratings and box office of marvel and DC films

Which is better, MCU or DC? Which movie has higher ratings? This article will analyze marvel and DC films based on total box office and ratings Which is better, Marvel Cinematic vs DC Universe? It's an endless debate, isn't it? When you oppose any of these movies, fans will become crazy. In this article, we will compare Marvel and DC according ...

Posted by Stryker250 on Fri, 12 Nov 2021 09:37:07 +0100

Principal Component Analysis and Factor Analysis

Question 1 # Guide Pack import numpy as np import pandas as pd # Incoming Matrix Parameter R1 = np.array([[1, 0.577, 0.509, 0.387, 0.462], [0.577, 1, 0.599, 0.389, 0.322], [0.509, 0.599, 1, 0.436, 0.426], [0.387, 0.389, 0.436, 1, 0.523], [0.462, 0.322, 0.426, 0.523, 1]]) # Finding the parameters and eigenvectors of a matrix eigValues1, e ...

Posted by Irresistable on Tue, 02 Nov 2021 19:35:48 +0100

[Python hundred days basic series] addition, deletion, modification and query of Day16 - Pandas data

1, Viewing of Pandas data 1.1 view Dataframe: print(df);print(df.head(6));print(df.tail(6));print(df.sample(6)) 1.2 view Series: print(ser); print(df[‘salary’]) 1.3 view DF basic information: print(df.info()); print(df.shape) 1.4 view df basic statistical indicators: print(df.describe()) 1.5 view df column name: print(df.co ...

Posted by Assim on Tue, 02 Nov 2021 07:46:09 +0100

To you who want to learn Python well [zero basic teaching] Python from zero to one! Links to detailed learning resources are attached

A detailed link to Python learning notes is attached at the end of the article. The goal of this article Through the study of this article, you can develop programming thinking and master all the basic syntax of Python. Moreover, after reading it, you can say that you can learn Python! Part I getting started with Python Section 1 Intro ...

Posted by mark110384 on Sun, 24 Oct 2021 14:23:53 +0200

Pandas advanced tutorial: time processing

brief introduction Time should be a data type often used in data processing. In addition to the two data types of datetime64 and timedelta64 in Numpy, pandas also integrates the functions of other python libraries, such as scikits.timeseries. Time classification There are four time types in pandas: Date times: date and time, with time z ...

Posted by powlouk on Mon, 11 Oct 2021 02:24:05 +0200

Introduction of python using numpy module, basic operation, processing data, including generating array

Introduction to Numpy Numpy (Numerical Python) is an open source Python scientific computing library, which is used to quickly process arrays of arbitrary dimensions. Numpy supports common array and matrix operations. For the same numerical calculation task, using numpy is much simpler than using Python directly. Numpy uses the ndarray obj ...

Posted by T_Hayden on Sun, 10 Oct 2021 11:16:53 +0200

[Data Analyst - data analysis project case I] case analysis of 600w + short-term rental data

1 Preface 1.1 data set source The data in this case comes from the real data of Toronto in 2018-2019 on Airbnb website.The data set contains the listing data set, with about 20000 pieces of data, recording all the house information, including dozens of information fields including price.Another data set in the data set is calendar, which ...

Posted by direction on Sat, 25 Sep 2021 12:33:12 +0200

I used Python to make a data visualization analysis of the comments on the White Snake 2 and the green snake

Hello, I'm spicy. Finally, we are going to start the series of articles on data analysis. Compared with crawlers, the technical dimension has risen to a higher level. The output of my article will update the series of practical projects and the series of detailed explanation and summary of knowledge points in two columns respectively, with the ...

Posted by nay4 on Sun, 19 Sep 2021 15:16:37 +0200

Standard process of machine learning modeling for Python data analysis (data engineering + modeling parameter adjustment + model evaluation + whole process visualization)

Author CSDN: Sisyphus of the attack Link to this article: https://blog.csdn.net/qq_42216093/article/details/116994199 Copyright notice: This article is the author's original article. Reprint requires the consent of the author Nowadays, machine learning is hot, and Python is the most commonly used implementation of machine learning for ...

Posted by XxDeadmanxX on Tue, 14 Sep 2021 04:58:38 +0200