Tag: Data mining

Artificial intelligence (ai)

Rio side tecdat | R language logic stocks regression Logistic regression analysis

January 5, 2024

by Ms. Sandra Henderson

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Logistic regression is a technique of machine learning from the field of statistics. It is a powerful statistical method for modeling binomial results with one...

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Artificial intelligence (ai)

Rio side tecdat | R language Logistic Regression, Logistic Regression, Regression decision tree, analysis of random forest credit card default credit data set

January 5, 2024

by Dr. Lawrence O'Brien

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A popular German credit dataset called German_credit, which contains information about applicants for bank loans, can be found on a number of websites. The document...

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The development tools

SAS, R, and Python address data management and analysis challenges

January 5, 2024

by Kiara Manda

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Last year, I did brief consulting work with a company that was building an analytics application driven primarily by a Web-based data repository. The data...

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The development tools

Visualization of data mining network graph of R language bus and subway routes

January 4, 2024

by Brendon Higgins

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For the data mining of huge bus and subway route information, the general software has two main problems: 1. For text information mining, especially Chinese...

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The development tools

Python uses LSTM in Keras to solve sequence problems

January 4, 2024

by Darshit Loyal

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Time series prediction refers to the type of problem in which we must predict results based on time-dependent inputs. A typical example of time series...

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The development tools

Interactive dynamic visualization of time series data by exponential smoothing method in R language

January 4, 2024

by Dr. Angela Moran

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The R language provides rich functionality for plotting time series data in R. Automatically graph XTS time series objects (or any object that can be...

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The development tools

Solve linear equations using Python Numpy

January 4, 2024

by David Batchelar

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In this article, you'll see how to solve linear equations using Python's Numpy library. In mathematics, a linear system (or system) is a set of...

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The development tools

R language generalized Linear Model (GLMs) algorithm and zero inflation model analysis

January 4, 2024

by Aaryahi Keer

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The generalized linear model (GLM) connects the linear combination of independent variables with the probability distribution of dependent variables by connecting functions. The probability distribution...

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The development tools

How to do R language Markov Switching Model

January 4, 2024

by Craig Jensen-Middleton

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Suppose you have time series data, as shown below. Experience shows that the target variable Y seems to be related to the explanatory variable X....

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The development tools

In Python, sciKit-learn and PANDAS decision trees are used for iris iris data classification modeling and cross-validation

January 4, 2024

by Robin Baker

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In this article, I will use decision trees (for classification) in Python. Emphasis will be placed on the basics and understanding of the final decision...

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The development tools

Analog processes and discretization in R language: Poisson processes and Wiener processes

January 4, 2024

by Robin Baker

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In this paper, we discuss an optimal algorithm for combining Poisson process with Wiener process. In fact, in order to generate poisson processes, we are...

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The development tools

Application case of Titanic data analysis using R language features engineering

January 4, 2024

by Shlok Sridhar

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Feature engineering is very important for the execution of models, and even simple models with powerful capabilities can outperform complex algorithms. In fact, feature engineering...

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The development tools

Case data analysis of R language Titanic Random Forest Model

January 4, 2024

by 楊俊宏

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If we average the results of all these models, we can sometimes find a better model from their combination than any of the individual parts....

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Artificial intelligence (ai)

Rio side tecdat | power consumption model building, analysis and prediction

January 4, 2024

by Patricia Jones

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A pharmaceutical company every year to spend a lot of money on electricity bills, because of the electric power business reform, the drug companies can...

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The development tools

R language Kaggle Titanic gender class model data analysis case

January 3, 2024

by Robert Martin

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This disaster is known for saving "women and children First," so let's look at the gender and age variables. We'll start with the gender of...

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The development tools

R language Poisson regression model to predict population mortality and life expectancy

January 3, 2024

by Jennifer Curtis

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In this paper we discuss the calculation of life expectancy. The starting point for demographic models is the mortality table. However, this assumption is biased...

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The development tools

Analysis of TAR threshold model for R language time series

January 3, 2024

by 楊怡伶

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Threshold models are used in several different statistical domains, not just time series. The general idea is that a process may behave differently when the...

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The development tools

Prediction time series analysis of R language ARIMA integrated model

January 3, 2024

by Dr. Charlie Black

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In this paper, we use four time series models to model the weekly temperature series. The first is obtained by auto. Arima, then two are...

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The development tools

Tableau’s cycling route geographic data visualization

January 3, 2024

by Grace Trask

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Tableau, as a drag-and-drop visualization software, can easily make beautiful and practical data images. And there is no need to do complex programming operations, or...

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The development tools

R language Rstan probabilistic programming programming MCMC Sampling Bayesian model

January 3, 2024

by 楊俊宏

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Probabilistic programming allows us to implement statistical models without worrying about technical details. It is particularly useful for Bayesian models based on MCMC sampling. Stan...

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The development tools

R language based on Keras small data set deep learning image classification

January 3, 2024

by Rebecca Davies-Grant

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Having to train an image classification model with very little data is a common situation that you may encounter in practice if you work in...

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The development tools

Tecdat: Data portrait of migrants who have moved out of Beijing

January 3, 2024

by Kathryn Webster

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While Beijing is developing rapidly, its population is also expanding rapidly. Migrants have been one of the main reasons for the rapid increase in Beijing's...

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The code of life

App does not want to be “named”, and mPaaS privacy compliance detection escorts the construction of digital ecology for developers

January 3, 2024

by 袁惠如

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The upcoming implementation of the Personal Information Protection Law is undoubtedly another milestone in the elaboration and deepening of policies, regulations and regulatory standards in...

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The development tools

Time series modeling trilogy

January 3, 2024

by Hannah Morgan

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Unlike most advanced analysis solutions, time series modeling is a low-cost solution that provides powerful insights. This paper introduces three basic steps to build a...

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The development tools

TAR threshold autoregressive model for R language time series

January 3, 2024

by Sarah Barrett

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For convenience, these models are often referred to simply as TAR models. These models capture behaviors that linear time series models cannot, such as periods,...

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The development tools

R language neural network model to predict vehicle number time series

January 3, 2024

by Danielle Bowden

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Feedforward neural networks with a single hidden layer and lagged input can be used to predict univariate time series. The neural network model is fitted...

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The development tools

R language uses Markov chain to model channel attribution in marketing

January 3, 2024

by Jessica Daniels

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In this article, we look at what channel attribution is and how it relates to the concept of Markov chains. We will also use a...

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The development tools

R language continuous time Markov Chains simulation case

January 3, 2024

by 張慧君

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A gas station has a fuel pile and no space for vehicles to wait (if the vehicle arrives and the pile is occupied, it will...

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The development tools

Sonification: Gauss-Seidel iterative algorithm for audio processing

January 3, 2024

by Brent Carroll

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One second from a 44.1khz single-channel.wav file can be read into an array of length 44100 (called B). Given A matrix A, we seek A...

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The development tools

Markov decision process (MDP) dynamic programming is used in Python to solve the shortest path reinforcement learning problem

January 3, 2024

by Shannon Ibarra

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In reinforcement learning, we are interested in determining a strategy for maximizing reward acquisition. Assuming that the environment is the ideal model of Markov decision...

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