## R-T test and difference visualization

T-test is juxtaposed with f-test and chi square test, which is widely used in statistical analysis. T-test uses t-distribution theory to infer the probability of difference, so as to compare whether the difference between two averages is significant. The following compendium briefly shares the steps of realizing T-test in R and how to display ...

## Used car Task2 data analysis

#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_ ...

Added by TheTitans on Mon, 07 Mar 2022 20:15:56 +0200

## Big data: visualization of Douban TV series crawler anti climbing agent IP, spark cleaning and flash framework

Full steps of Douban movie big data project 1. Douban reptile: When I started to write Douban TV series crawler, I thought it was very simple, but in practice, there was an IP sealing situation, which led to my distress for a long time, and now I finally wrote it No more nonsense, just go to the code: The run function is ...

Added by gregor171 on Fri, 04 Mar 2022 14:51:48 +0200

## Python data analysis | data visualization based on Pandas

Added by 01hanstu on Fri, 25 Feb 2022 11:55:00 +0200

## Summary of six common methods of visual deep learning model architecture

Visualization helps to explain and understand the internal structure of deep learning model. Through the visualization of the model calculation diagram, we can find out how the neural network is calculated. The visualization of the model mainly includes the following aspects: How many layers does the model haveInput and output shapes of each l ...

Added by Alka-Seltxer on Sun, 20 Feb 2022 17:04:43 +0200

## Data cleaning using poi

1. Data cleaning 1.1. What is data cleansing Data cleaning – the process of re examining and verifying data to remove duplicate information, correct existing errors, and provide data consistency. From the name of data cleaning, we can see that it is to "wash away" the "dirty", which refers to the last procedure ...

Added by Chamza on Fri, 18 Feb 2022 15:30:10 +0200

## Plot changes the style of markers and lines

Style of markers and lines import plotly.io as pio import plotly.express as px import plotly.graph_objects as go from plotly.subplots import make_subplots import pandas as pd import numpy as np # Set plot default theme pio.templates.default = 'plotly_white' # Set pandas to display all columns when printing pd.set_option('display.max_columns' ...

Added by TheUkSniper on Sun, 13 Feb 2022 12:43:38 +0200

## Animation with Matplotlib+Imageio

1. Draw dynamic line chart . 1.1 draw a dynamic broken line diagram that does not start when the ， x-axis coordinate is 0 ， import os import numpy as np import matplotlib.pyplot as plt import imageio # The number of generated values is between 40 and 50 y = np.random.randint(25,40,size = 50) # Draw polylines plt.plot(y) # Sets the minimum a ...

Added by zipdisk on Thu, 10 Feb 2022 12:53:19 +0200

## Integrating time series prediction with Tableau using TabPy

In this article, we will pay special attention to time series prediction. We will use three time series models, which are super store data sets (retail industry data) built in python. We will use Jupiter notebook to build our python code and then move to Tableau. The purpose of this article is to demonstrate how to integrate the model with Ta ...

Added by MrBillybob on Wed, 09 Feb 2022 06:47:05 +0200

## ssd1306OLED Chinese display - micropthon-esp32 - using GB2312 font library (non manual mold taking)

ssd1306OLED Chinese display - micropthon-esp32 - using GB2312 font library (non manual mold taking) preface: Ah, in order to make my * * "mobile phone abstinence device" (the functions of each subsystem of this project are about to be completed!)** I've really paid too much for this OLED with more than ten yuan. Baidu couldn't f ...

Added by teege84 on Tue, 01 Feb 2022 20:57:27 +0200