Python data visualization (Pandas_5_ access element)
Accessing elements in Pandas DataFrame We can access the elements in the Pandas DataFrame in many different ways. In general, we can use row and column labels to access rows, columns, or individual elements of a dataframe. We will use the same store we created in the last lesson_ items DataFramUTF-8...
Posted by karnegyhall on Wed, 22 Sep 2021 01:28:00 +0530
Recognition of a static picture
First of all, please show our protagonist What we want to identify today is this picture. First, let's look at the final recognition effect: Although the marks drawn after recognition are not very good, as long as the location information comes out, the marks drawn are actually secondary. PrepaUTF-8...
Posted by Black Rider on Wed, 22 Sep 2021 05:09:09 +0530
Image classification - cifar100 experimental research
In order to solve cifar100 val_ The problem of low ACC is essentially an over fitting problem, so I went to the papers with code website to see how much the cifar100 benchmark has achieved in the first place, as shown in the figure below, val_cc = 0.96, a little bit ha, so what we need to do noUTF-8...
Posted by ThaSpY on Wed, 22 Sep 2021 06:40:08 +0530
Machine learning_ linear regression
XDU machine learning first job 1, Linear regression Regression problem is a very common problem. The purpose is to find the relationship between variables. For example, we should look for the relationship between house area and price, the relationship between age and height, the relationship bUTF-8...
Posted by ereptur on Fri, 24 Sep 2021 12:59:33 +0530
Deep learning Express Edition 02 --- convolutional neural network
Limitations of linear neural networks There is no difference between any multi hidden layer neural network and single-layer neural network, and they are linear, and the problems that can be solved by the linear model are limited Types of neural networks Basic neural network: linear neural netwoUTF-8...
Posted by infomamun on Fri, 24 Sep 2021 14:43:14 +0530
The latest bullet screen and comment crawler of station B, the ice you want is coming!
Author Zhou radish Source| Turnip Chowder Recently, I want to climb down the barrage and comments of station B. I found that the tutorials found on the Internet are basically invalid. After all, reptiles and anti climbing belong to both sides of the devil. The little brothers of programmers figUTF-8...
Posted by gordong1968 on Mon, 27 Sep 2021 12:42:32 +0530
Face matching and code implementation
In this article, I will detail how to use face_recognition and pilot are modules that extract and recognize faces from a pile of photos. I want to owe it to Brad traversi because the idea was originally from a Traversy media video that I have bookmarked for some time and recently re viewed (linUTF-8...
Posted by jkewlo on Tue, 28 Sep 2021 12:57:38 +0530
Using XGBoost for time series prediction, birth prediction Mini tutorial
Content introduction XGBoost is an effective implementation of gradient lifting for classification and regression problems. It is fast and efficient, performs well or even best on a wide range of predictive modeling tasks, and is the favorite of winners of data science competitions, such as thUTF-8...
Posted by Harbinger on Wed, 29 Sep 2021 07:28:41 +0530
Reinforcement learning in game development
summary TODO Based on probability TODO Based on value Q-Learning (offline learning) Step by step: Don't bother with Python Q-Learning principle sketch In a certain environment, if a Player wants to know whether the Action of his current State is correct or not, it needs to be fed back by the eUTF-8...
Posted by kender on Sat, 02 Oct 2021 06:40:48 +0530
HMM hidden Markov model for Chinese text word segmentation
1, HMM overview 1. Introduction Folklore tells us that the state of algae has a certain probability relationship with the state of weather - the state of weather and algae is closely related. In this example, we have two sets of States, the observed state (algae state) and the hidden state (weUTF-8...
Posted by ernie on Sun, 03 Oct 2021 01:05:55 +0530