Tag: Data mining

The development tools

R language generalized linear model GLM, polynomial regression and generalized additive model GAM predict Titanic survivors

January 3, 2024

by Nehmat Chauhan

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In this paper, generalized linear model (GLM), polynomial regression and generalized additive model (GAM) are established in R language to predict who survived the sinking...

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The code of life

Namely, the massive ordered data network MSDN is constructed to build a global reliable multi-cloud communication link

January 3, 2024

by Amanda Ochoa

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2020 is the year of the explosion of real-time audio and video technology applications, e-commerce live broadcasting, video conferences, online classes and other scenarios have...

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The development tools

Create interactive charts and maps in R

January 3, 2024

by Badal Saran

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Online interactive charts and maps can be created directly from R/RStudio. Start RStudio, create a new RScript, and then set the working directory to the...

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Artificial intelligence (ai)

TPFU algorithm

January 3, 2024

by 段雅芳

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Is there any difference between Fuzzy Utility mining and uncertain dataset? Can the two be used together?

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The development tools

Portfolio optimization based on Particle swarm Optimization in Python

January 3, 2024

by Matiu Bell-Gilbert

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My research topic this year is to use particle swarm optimization (PSO) currency for trade portfolio optimization. In this article, I'll introduce portfolio optimization and...

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The development tools

[Big Data Tribe] Bank credit risk early warning model based on decision tree in R language

January 3, 2024

by Wendy Thomas-Wade

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With the rapid development of China's economy, personal credit business also develops rapidly, and personal credit business also plays a driving role in improving domestic...

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Artificial intelligence (ai)

How to understand EM algorithm in general

January 3, 2024

by Jessica Daniels

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Know classmates may know that the EM algorithm, the EM algorithm is 10 data mining algorithm, it may be said to machine learning or data...

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The development tools

Using machine learning to identify changing stock market conditions — Hidden Markov Model (HMM) Stock index forecasting practice

January 3, 2024

by Bridget Johnson

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"Understanding different stock market conditions and changing trading strategies has a big impact on stock market returns. Figuring out when to start or stop losses,...

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The development tools

Visualize U.S. voting records with the RSHINY DASHBOARD

January 3, 2024

by 孫中山

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The main reason RSHINY charts are relevant is their built-in interactivity. I want the user to just hover over the score and see a paragraph...

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Artificial intelligence (ai)

1. Overview of data analysis

January 3, 2024

by Kiaan Ranganathan

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So the problem comes, there are so many data in the database, how to get valuable data quickly? Data analysis can obtain hidden valuable information...

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The development tools

Python missing value handling case study: Titanic data

January 3, 2024

by Shannon Contreras

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Cnblogs.com/tecdat/p/9430901. real data often certain variable has a missing value. Titanic_df. From this data we can see that there are 891 rows of data, so...

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The development tools

Use Python for Bayesian statistical analysis

January 2, 2024

by Jake Pearce

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This article explains how to use PyMC3 for basic Bayesian statistical analysis. I flipped my coin n times and got h heads. PLT. 100% |...

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The development tools

[Big Data Tribe] Exploration of hybrid IBCF collaborative filtering recommendation algorithm recommendation engine 1

January 2, 2024

by Debra Atkinson

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Tuoduan helps domestic maternal and child e-commerce companies to create intelligent recommendation engines, so as to create accurate and efficient shopping experience, explore how to...

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The development tools

R language Finite mixture Model (FMM) and EM algorithm clustering analysis of geyser eruption time

January 2, 2024

by 田雅萍

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This paper provides a set of methods for analyzing various finite mixture models. It includes both traditional methods, such as EM algorithm of univariate and...

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The development tools

Performance measurement of multi-classification problem multicalSS Classification in R language

January 2, 2024

by Dishani Gandhi

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For classification problems, classifier performance is usually defined in terms of the confusion matrix associated with the classifier. From the obfuscation matrix, sensitivity (recall rate),...

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The development tools

Python convolutional Neural Network human image recognition

January 2, 2024

by Jivin Dasgupta

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Automatic discovery of nude images has been a central issue in computer vision for more than two decades, and because of its long history and...

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The development tools

Python calculates the value at risk (VaR) of a stock portfolio

January 2, 2024

by Dale Bishop

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Value at risk (VaR) is used to attempt to quantify the level of financial risk in a company or portfolio over a specified time horizon....

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The development tools

Python time series selection volatility prediction index return algorithm analysis case

January 2, 2024

by Denise Simmons

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In traditional financial theory, rational and homogeneous investors are one of the core assumptions, indicating that each investor has the same information and thus makes...

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The development tools

Missing value padding in THE R language: Estimating missing values

January 2, 2024

by Leslie Allen

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Missing values are considered to be the primary obstacle to predictive modeling. Therefore, it is important to master ways to overcome these problems. The choice...

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The development tools

Data Mining with SAS Enterprise Miner: Building scorecard models for credit scores

January 2, 2024

by Aayush Borra

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Credit scorecards have always been the standard model for credit scoring because they are easy to understand and enable you to easily score new data...

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The development tools

Python membership graph model: model-based detection of dense overlapping communities in networks

January 2, 2024

by Toby Peters-Newman

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Membership graph model is a generation model that generates networks through community connections. The following diagram depicts an example of a community membership diagram and...

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The development tools

R language Markowitz Markowitz portfolio theory analysis and visualization

January 2, 2024

by Sarah Stewart

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> pzoo = zoo ( StockIndex , order.ans <- do.call ( method , list ( x = x , ... ) ) + return (...

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The development tools

Emotion analysis of library topics in data perspective

January 2, 2024

by Cynthia Rodgers

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At present, big data is prevalent in the era, the results of various user information behavior data analysis affect people's life and study, and also...

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The development tools

Matlab deep learning using Bayesian Optimization: Convolutional Neural Network CNN

January 2, 2024

by 崔惠如

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This example shows how to apply Bayesian optimization to deep learning and how to find the best network hyperparameters and training options for convolutional neural...

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Artificial intelligence (ai)

Rio side tecdat | R language optimized k – means cluster Stratified Sampling (Stratified from) analysis of the population of the town

January 2, 2024

by Abigail Ford-Little

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Suppose we need to design a sample survey with a complete framework that includes information (identifying and supporting information) about the target population. If our...

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The development tools

R language stock market visual correlation matrix: minimum spanning Tree

January 2, 2024

by Divit Rattan

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In this article's example, I'll visualize stock data using daily data and 1-minute data. Connected graph: In an undirected graph, if any two vertices VIvi...

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The development tools

Python Tiger community Forum data crawler analysis report

January 2, 2024

by Heer Konda

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Hupu is a professional website for young men, covering the original news column video reports of basketball, football, F1, NFL and other events. It has...

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The development tools

Python time series selection volatility prediction index return algorithm analysis case

January 2, 2024

by 白詩涵

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In traditional financial theory, rational and homogeneous investors are one of the core assumptions, suggesting that every investor has the same information and therefore makes...

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The development tools

Time series prediction with Prophet in Python

January 2, 2024

by 劉怡安

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A forecast is usually considered a development of the report. Prophet aims to "make it easier for experts and non-experts alike to make high-quality predictions...

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The development tools

R language RStan Bayes example: repeated trial model and population competition model Lotka Volterra

January 1, 2024

by 金淑芬

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Stan is a probabilistic programming language for specifying statistical models. Stan provides complete Bayesian inference for continuous variable models through Markov chain Monte Carlo methods...

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