Splitting and Extracting Text Data in pandas
This paper mainly shares the splitting, extracting and merging of text data to prepare for the next visual analysis.
The data comes from the employment information of boss and dragnet data analysis positions, totaling 9458.
The crawling methods of the pull-hook are as follows: Python selenium+beautifuls ...
Posted by timelf123 on Mon, 24 Feb 2020 19:58:24 -0800
The application of Matplotlib in solving ordinary differential equation of Python 3 SCI
Python scientific calculation simply records several notes, uses SciPy to solve ordinary differential equations, and uses matplotlib to demonstrate in jupyter notebook. The following points need to be noted:
odeint function provided by integration module
On jupyter notebook of Anaconda 3
matplotlib 2D drawing to solve Newton's cooli ...
Posted by phpcodec on Thu, 13 Feb 2020 12:52:36 -0800
Docker build container build acceleration strategy
It takes a lot of time to download many kinds of software when building containers. hub.docker.com is slow in nature, especially when it encounters modules stored on gcr.io/aws and so on. pip installation of python module is also slow, and the download of conda is like a snail.
There are several ways to speed up the download of container const ...
Posted by safrica on Thu, 30 Jan 2020 07:19:13 -0800
Advanced Neural Network for Python Deep Learning Experiment
Advanced Neural Network
Experimental environment
keras 2.1.5
tensor 1.4.0
Experimental tools
Jupyter Notebook
Experiment 1: MNIST generates antagonistic networks
thinking
Train two models, one to generate a given random noise as input output example G, and one to identify the generated m ...
Posted by jonat8 on Sat, 11 Jan 2020 16:58:06 -0800
Rescue GlusterFS Distributed Storage System
After the GlusterFS distributed storage system was migrated in a previous period of time, the phenomenon of dropping lines and intermittent happened frequently, which made it unable to work properly for a long time.Observations revealed that one of the nodes was always restarting, further revealing that only one of the four nodes in the replica ...
Posted by renesis on Mon, 06 Jan 2020 01:02:34 -0800
Gradient descent (GD)
1, An overview of gradient descent algorithm
1, introduction
gradient descent, also known as the steepest descent, is the most commonly used method to solve unconstrained optimization problems. It is an iterative method. The main operation of each step is to solve the gradient vector of the objective function, taking the negative gradient direc ...
Posted by proctk on Thu, 02 Jan 2020 12:02:02 -0800
One click installation of kubeflow based on Alibaba cloud image in China
Introduction: there are wall problems in google's products in China. As a cloud native machine learning suite, kubeflow helps the team greatly. For the team without turning over the wall, building kubeflow based on the domestic image can help you solve many problems. Here, we provide you a set of kubeflow 0.6 installation scheme based on the d ...
Posted by peddel on Thu, 26 Dec 2019 01:00:32 -0800
PyCharm 2019.3 Activate Crack Tutorial (Permanent)
2019.12.02 jetbrains released Python's best editor, PyCharm 2019.3.This major release mainly makes some additions to Jupyter notebooks, MongoDB, Python 3.8.
And many of these features are only available in the Professional edition, so today we bring you the activation tutorial for PyCharm 2019.3!
Note: Patches for this tutorial, activation code ...
Posted by dnienhaus on Sun, 08 Dec 2019 15:43:45 -0800
data normalization
Because different dimensions may affect the observation results of data
Solution: Map all data to the same scale
1. Maximum Normalization: Mapping all data to 0-1
Suitable for situations with clear boundaries, greatly influenced by Outlier
xscale=x−xminxmax−xminx_{\text {scale}}=\frac{x-x_{\min }}{x ...
Posted by giannis_athens on Thu, 03 Oct 2019 15:24:59 -0700
Teach you how to use Python to manipulate word documents
Use Python to manipulate word documents
Installation of Python-docx
Python-docx is a module specially for word documents. It can only read docx but not doc files. To put it bluntly, Python is equivalent to the windows operating system. QQ is the software running on the windows operating system. The b ...
Posted by Benny007 on Wed, 18 Sep 2019 07:07:32 -0700