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  • Book Overview & Buying Simulation for Data Science with R
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Simulation for Data Science with R

Simulation for Data Science with R

By : Matthias Templ
4.2 (5)
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Simulation for Data Science with R

Simulation for Data Science with R

4.2 (5)
By: Matthias Templ

Overview of this book

Data Science with R aims to teach you how to begin performing data science tasks by taking advantage of Rs powerful ecosystem of packages. R being the most widely used programming language when used with data science can be a powerful combination to solve complexities involved with varied data sets in the real world. The book will provide a computational and methodological framework for statistical simulation to the users. Through this book, you will get in grips with the software environment R. After getting to know the background of popular methods in the area of computational statistics, you will see some applications in R to better understand the methods as well as gaining experience of working with real-world data and real-world problems. This book helps uncover the large-scale patterns in complex systems where interdependencies and variation are critical. An effective simulation is driven by data generating processes that accurately reflect real physical populations. You will learn how to plan and structure a simulation project to aid in the decision-making process as well as the presentation of results. By the end of this book, you reader will get in touch with the software environment R. After getting background on popular methods in the area, you will see applications in R to better understand the methods as well as to gain experience when working on real-world data and real-world problems.
Table of Contents (13 chapters)
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12
Index

Model-based simulation studies


As already mentioned, for some situations the formulation of and conduction of a precise mathematical treatment is often too difficult or too time-consuming. By using model-based simulation we may approximate real-world situations and results whenever the data is not sampled with a complex sampling design. Model-based simulation studies especially require much less time, effort, and/or money than a mathematical proof of properties of estimators or methods.

Latent model example continued

We will continue with the latent model from the previous example. Such datasets we may use for the comparison of methods. For example, one can mark values to be missing, impute them by suitable imputation methods and evaluate and compare the imputation methods. We can do this by example for a smaller dataset and compare mean imputation, nearest neighbor imputation, robust model-based imputation, and imputation by mice by using a simple precision-based error criterion based on...

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