Descriptive statistics and modeling of Python data analysis foundation

Wine quality data set    the wine quality data set includes two files - red wine file and white wine file. There are 1599 observations in the red wine file and 4898 observations in the white wine file. There are 1 output variable and 11 input variables in both files. The output variable is t ...

Posted by bob2006 on Fri, 28 Feb 2020 01:45:52 -0800

R and money game: golden cross 2

from Last article The analysis has learned that the golden cross rule of the mean line does not apply to the concussion period, so what is the way to avoid the concussion period or what is the way to reduce the loss of no brain following? Let's keep playing. Required Packages library(quantmod) library(ggplot2) library(scales) Postpone Trading ...

Posted by Bunyip on Tue, 10 Dec 2019 07:18:02 -0800

Data Visual Analysis (Column, Line, Thermal)

1. Project introduction 1.1) Project Blog Address https://rpc.cnblogs.com/metaweblog/yyh28 1.2 Functions and Features of Project Completion Analyse the file''Jimei University Enrollment Score. xlsx''to complete the following functions: 1) The average scores of different provinces in this batch from 2015 to 2018 at Jimei University. The column c ...

Posted by fangorn on Mon, 09 Dec 2019 14:53:51 -0800

How to remove Youdao cloud note ads (windows)

I. applicable to versions before 6.0 You just need to: find the installation path of cloud notes, * \ Youdao\YoudaoNote\theme\build.xml Open the file with a notebook, find the words "advertisement in the lower left corner", and delete the following code: <PanelAd type="adpanel" css="public" ass="mainform panelclient PanelAd"> ...

Posted by Jarl on Sun, 03 Nov 2019 14:24:14 -0800

R Language Constructs Protein Network and Implements GN Algorithms

1. Construction of Protein Network We used hunam-HIV PPI.csv, a human HIV-related protein interaction data set, to construct this protein interaction network. In R, we can read data from files stored outside the R environment. Data can also be written to files stored and accessed by the operating system. R can read and write various file forma ...

Posted by Stonewall on Sun, 22 Sep 2019 07:42:01 -0700

django database table building process and table structure

Catalog Configure the database Create a table structure Settings of multi-table gateways Self-Creating Association Table Method Joint use of self-built tables and ManyTo ManyField Configure the database In the settings.py file of the Django project, configure database connection inf ...

Posted by peppeto on Wed, 19 Jun 2019 11:36:13 -0700

Simple linear regression using gradient descent method

Recently, many small data mining projects have been done, using and comparing N-multiple algorithms, and understanding many machine learning tools, such as R language, Spark machine learning library, Python, Tensorflow and RapidMiner, etc. But I feel that I can't go deep into it, at best I just play with other people's tools. The advantages an ...

Posted by vishakh369 on Fri, 14 Jun 2019 14:22:15 -0700

R Language Programming: One of Ali Push-Pen Test

R Language Programming: One of Ali Push-Pen Test subject Muzhe is a picker in a bird warehouse, but he has a very strange habit.Each pickup is lighter than the one previously picked. You can get one dollar each time you pick it up. Muzhe wants to know how much money you can make in this way. 32 34 7 33 21 2 13 12 3 11 26 36 16 3 ...

Posted by Guernica on Sat, 08 Jun 2019 09:12:44 -0700

Grouping operations for Python data analysis

A common step in data analysis is to group data sets and then apply functions, which can also be called grouping operations. The God Hadley Wickham coined the term split-apply-combine, which means split-application-merge. So when we talk about grouping operations, what are we actually talking about? Splitting: Dividing and grouping data accord ...

Posted by Mordecai on Tue, 04 Jun 2019 16:19:32 -0700

Understanding the Time Series Analysis of R Language Development

A time series is a series of data points, each of which is associated with a time stamp.A simple example is the price of a stock at different times of the day. Another example is the amount of rainfall in an area during different months of the year. The R language uses many functions to create, manipulate and draw time series ...

Posted by Sanoz0r on Tue, 07 May 2019 01:15:40 -0700