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_posts/2020-01-08-heteroscedascity_statistical_tests.md

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twitter_image: /assets/images/data_science_4.jpg
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keywords:
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- Econometrics
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- Regression Diagnostics
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- White Test
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- Regression diagnostics
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- White test
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- Heteroscedasticity
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- Breusch-Pagan Test
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- Breusch-pagan test
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seo_description: Learn about heteroscedasticity, the statistical tests to detect it, and steps to take when it is present in regression analysis.
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seo_title: 'Heteroscedasticity: Statistical Tests and What to Do When Detected'
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seo_type: article
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summary: Explore heteroscedasticity in regression analysis, its consequences, how to test for it, and practical solutions for correcting it when detected.
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tags:
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- Regression Analysis
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- Regression analysis
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- Econometrics
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- Heteroscedasticity
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title: 'Heteroscedasticity: Statistical Tests and Solutions'

_posts/2020-02-17-arimax_time_series.md

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teaser: /assets/images/data_science_4.jpg
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twitter_image: /assets/images/data_science_4.jpg
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keywords:
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- r
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- Statistical Modeling
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- Exogenous Variables
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- R
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- Statistical modeling
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- Exogenous variables
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- Forecasting
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- Time Series
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- ARIMAX
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- Time series
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- Arimax
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- r
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seo_description: Explore the ARIMAX model, a powerful statistical tool for time series forecasting that incorporates exogenous variables. Learn how ARIMAX builds on ARIMA to improve predictive performance.
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seo_title: 'ARIMAX Time Series Model: An In-Depth Guide'
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seo_type: article
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summary: This article explores the ARIMAX time series model, which enhances ARIMA by incorporating external variables. We'll dive into the model's structure, assumptions, applications, and how it compares to ARIMA.
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tags:
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- R
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- Statistical modeling
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- Machine learning
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- Arima
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- Time series forecasting
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- Arimax
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- r
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- Statistical Modeling
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- Machine Learning
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- ARIMA
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- Time Series Forecasting
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- ARIMAX
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title: 'ARIMAX Time Series: Comprehensive Guide'
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---
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_posts/2020-03-30-sustainability_analytics_how_data_science_drives_green_innovation.md

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teaser: /assets/images/data_science_3.jpg
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twitter_image: /assets/images/data_science_3.jpg
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keywords:
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- sustainability analytics
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- data science
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- green innovation
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- resource optimization
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- supply chain efficiency
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- Sustainability analytics
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- Data science
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- Green innovation
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- Resource optimization
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- Supply chain efficiency
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seo_description: This article explores how companies and organizations are using data science to enhance sustainability practices in areas like resource optimization, waste reduction, and energy efficiency.
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seo_title: How Data Science is Driving Green Innovation through Sustainability Analytics
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seo_type: article
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summary: In this article, we explore the role of data science in driving green innovation through sustainability analytics, examining how companies use data to optimize resources, cut waste, and enhance supply chain efficiency.
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tags:
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- Sustainability Analytics
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- Data Science
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- Green Innovation
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- Resource Optimization
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- Supply Chain Efficiency
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- Sustainability analytics
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- Data science
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- Green innovation
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- Resource optimization
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- Supply chain efficiency
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title: 'Sustainability Analytics: How Data Science Drives Green Innovation'
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---
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_posts/2020-04-01-the_friedman_test.md

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teaser: /assets/images/data_science_9.jpg
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twitter_image: /assets/images/data_science_8.jpg
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keywords:
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- Repeated Measures ANOVA
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- Non-Parametric Test
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- Friedman Test
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- Ordinal Data
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- Repeated measures anova
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- Non-parametric test
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- Friedman test
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- Ordinal data
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seo_description: Learn about the Friedman test, its application as a non-parametric alternative to repeated measures ANOVA, and its use with ordinal data or non-normal distributions.
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seo_title: 'The Friedman Test: A Non-Parametric Alternative to Repeated Measures ANOVA'
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seo_type: article
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summary: This article provides an in-depth explanation of the Friedman test, including its use as a non-parametric alternative to repeated measures ANOVA, when to use it, and practical examples in ranking data and repeated measurements.
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tags:
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- Non-Parametric Tests
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- Repeated Measures ANOVA
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- Friedman Test
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- Ordinal Data
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- Non-parametric tests
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- Repeated measures anova
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- Friedman test
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- Ordinal data
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title: 'The Friedman Test: Non-Parametric Alternative to Repeated Measures ANOVA'
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---
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_posts/2020-07-01-cocharan_q_test.md

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twitter_image: /assets/images/data_science_8.jpg
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keywords:
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- Proportions
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- McNemar's Test
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- Cochran's Q Test
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- Machine Learning
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- Logistic Regression
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- Data Science
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- Mcnemar's test
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- Cochran's q test
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- Machine learning
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- Logistic regression
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- Data science
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seo_description: Learn about Cochran’s Q test, its use for comparing proportions across related groups, and its connection with McNemar’s test and logistic regression.
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seo_title: 'Cochran’s Q Test: Comparing Proportions in Related Groups'
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seo_type: article
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summary: This article explores Cochran’s Q test, a non-parametric method for comparing proportions in related groups, particularly in binary data. It also covers the relationship between Cochran's Q, McNemar's test, and logistic regression.
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tags:
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- Logistic Regression
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- McNemar's Test
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- Non-Parametric Tests
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- Cochran's Q Test
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- Logistic regression
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- Mcnemar's test
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- Non-parametric tests
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- Cochran's q test
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title: 'Cochran’s Q Test: Comparing Three or More Related Proportions'
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---
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_posts/2020-09-02-log_rank_test_survival_analysis_comparing_survival_curves.md

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teaser: /assets/images/data_science_7.jpg
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twitter_image: /assets/images/data_science_7.jpg
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keywords:
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- log-rank test
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- survival analysis
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- survival curves
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- Kaplan-Meier curves
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- p-values
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- Log-rank test
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- Survival analysis
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- Survival curves
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- Kaplan-meier curves
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- P-values
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seo_description: This article explores the log-rank test used in survival analysis, its applications in medical studies to compare survival times, and how to interpret survival curves and p-values.
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seo_title: 'Understanding the Log-Rank Test in Survival Analysis: Comparing Survival Curves'
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seo_type: article
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summary: This article provides a comprehensive guide to the log-rank test in survival analysis, focusing on its use in medical studies to compare survival curves between two or more groups. We explain how to interpret Kaplan-Meier curves, p-values from the log-rank test, and real-world applications in clinical trials.
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tags:
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- Log-Rank Test
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- Survival Analysis
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- Medical Statistics
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- Kaplan-Meier Curves
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- P-Values
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- Log-rank test
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- Survival analysis
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- Medical statistics
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- Kaplan-meier curves
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- P-values
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title: 'Log-Rank Test in Survival Analysis: Comparing Survival Curves'
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_posts/2020-09-24-demand_forecast_supply_chain.md

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teaser: /assets/images/data_science_8.jpg
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twitter_image: /assets/images/data_science_7.jpg
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keywords:
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- Supply Chain
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- Repurchase Model
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- Time Series
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- Demand Forecasting
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- Supply chain
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- Repurchase model
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- Time series
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- Demand forecasting
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- Python
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- python
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seo_description: Explore how using customer behavior and predictive models can improve demand forecasting in the supply chain industry, leveraging the BG/NBD model for better accuracy.
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seo_title: Demand Forecasting in Supply Chain Using Customer Behavior
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seo_type: article
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summary: This article explores the use of customer behavior modeling to improve demand forecasting in the supply chain industry. We demonstrate how the BG/NBD model and the Lifetimes Python library are used to predict repurchases and optimize sales predictions over a future period.
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tags:
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- Customer Behavior
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- Customer behavior
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- Python
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- Demand forecasting
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- Repurchase models
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- python
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- Demand Forecasting
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- Repurchase Models
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title: A Predictive Approach for Demand Forecasting in the Supply Chain Using Customer Behavior Modeling
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_posts/2020-10-01-time_series_models_predicting_emergency.md

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teaser: /assets/images/data_science_5.jpg
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twitter_image: /assets/images/data_science_8.jpg
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keywords:
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- Time Series Models
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- Emergency Department Prediction
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- Gradient Boosted Machines
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- Resource Allocation
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- Random Forest
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- Time series models
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- Emergency department prediction
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- Gradient boosted machines
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- Resource allocation
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- Random forest
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seo_description: This study examines machine learning and univariate time series models for predicting emergency department visit volumes, highlighting the superior predictive accuracy of random forest models.
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seo_title: Comparing Machine Learning and Time Series Models for Predicting ED Visit Volumes
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seo_type: article
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summary: A study comparing machine learning models (random forest, GBM) with univariate time series models (ARIMA, ETS, Prophet) for predicting emergency department visits. Results show machine learning models perform better, though not substantially so.
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tags:
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- Emergency Department
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- Time Series Forecasting
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- Machine Learning
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- Gradient Boosted Machines
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- Random Forest
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- Emergency department
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- Time series forecasting
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- Machine learning
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- Gradient boosted machines
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- Random forest
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title: Machine Learning vs. Univariate Time Series Models in Predicting Emergency Department Visit Volumes
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_posts/2020-12-01-predictive_maintenance_data_science.md

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twitter_image: /assets/images/data_science_6.jpg
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keywords:
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- Clustering
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- Predictive Maintenance
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- Anomaly Detection
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- Predictive maintenance
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- Anomaly detection
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- Regression
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- Machine Learning
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- Data Science
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- Machine learning
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- Data science
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seo_description: Explore the impact of data science on predictive maintenance, including techniques like regression, anomaly detection, and clustering for failure forecasting and optimization of maintenance schedules.
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seo_title: 'Data Science in Predictive Maintenance: Techniques and Applications'
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seo_type: article
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summary: This article delves into the role of data science in predictive maintenance (PdM), explaining how methods such as regression, anomaly detection, and clustering help forecast equipment failures, reduce downtime, and optimize maintenance strategies.
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tags:
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- Data Science
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- Machine Learning
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- Predictive Maintenance
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- Industrial Applications
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- Data science
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- Machine learning
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- Predictive maintenance
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- Industrial applications
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title: The Role of Data Science in Predictive Maintenance
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_posts/2021-01-01-pde_data_science.md

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teaser: /assets/images/data_science_7.jpg
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twitter_image: /assets/images/data_science_2.jpg
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keywords:
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- Partial Differential Equations
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- PDEs
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- Data Science
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- Numerical Solutions
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- Physics-Informed Neural Networks
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- Partial differential equations
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- Pdes
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- Data science
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- Numerical solutions
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- Physics-informed neural networks
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seo_description: Explore the importance of Partial Differential Equations (PDEs) in data science, including their role in machine learning, physics-informed models, and numerical methods.
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seo_title: Partial Differential Equations for Data Scientists
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seo_type: article
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summary: This article explores the role of Partial Differential Equations (PDEs) in data science, including their applications in machine learning, finance, image processing, and environmental modeling. It covers basic classifications of PDEs, solution methods, and why data scientists should care about them.
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tags:
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- Physics-Informed Models
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- Machine Learning
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- PDEs
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- Numerical Methods
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- Physics-informed models
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- Machine learning
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- Pdes
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- Numerical methods
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title: Introduction to Partial Differential Equations (PDEs) from a Data Science Perspective
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---
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