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"Getting Started with R deals with learning how to get answers from data, an integral part of modern training in the natural, physical, social, and engineering sciences. One of the most exciting developments in data management, quantitative analysis, and visualization was the growth of the open source application R. This statistics and programming language has emerged as a critical component of biologists, and many other scientists, toolboxes. R is rapidly becoming standard software for data manipulation, visualization, and analysis. This book provides a functional introduction for biologists new to R. While teaching how to import, visualize, and analyse, it keeps readers focused on their ultimate goals, to communicate their data and analyses in presentations, posters, papers, websites, and reports. It provides a consistent approach and workflow for using R, one that is simple, efficient, intuitive, reliable, accurate, and reproducible. The material in the book reproduces the engaging and sometimes humorous nature of the three-day course on which it is based. What is different in the second edition? It has been entirely rewritten to accommodate several new developments in R and changes made in teaching the course. Chapters have been added on preparing data for R, on analyses of more experimental designs (regression and one-way and two-way ANOVA, in addition to the old ANCOVA example), and on generalized linear models. The book also uses as default a popular, new set of tools for managing data and producing graphs via the add-on packages dplyr and ggplot2. "

"Faktor Unified Theory of Acceptance and Use of Technology (UTAUT) merupakan faktor yang berasal dari model penerimaan teknologi UTAUT, yang digunakan untuk menggambarkan faktor-faktor yang mempengaruhi penerimaan individu terhadap implementasi suatu teknologi baru dalam perusahaan. Penelitian ini bertujuan untuk menganalisis pengaruh faktor UTAUT terhadap e-retention dengan e-satisfaction sebagai variabel antara. Penelitian ini menggunakan pendekatan kuantitatif dengan teknik pengumpulan data total sampel. Hasil penelitian menunjukkan bahwa: (1) terdapat pengaruh Performance Expectancy terhadap e-retention secara signifikan; (2) terdapat pengaruh Effort Expectancy terhadap e-retention secara signifikan; (3) terdapat pengaruh Social Influence terhadap e-retention secara tidak signifikan; (4) terdapat pengaruh Facilitating Conditions terhadap e-retention secara signifikan; (5) terdapat pengaruh E-satisfaction terhadap e-retention secara signifikan; dan (6) terdapat pengaruh Faktor UTAUT terhadap e-retention dengan e-satisfaction sebagai variabel antara. Akan tetapi, pengaruh lebih besar ditunjukkan melalui pengaruh antara faktor UTAUT terhadap e-retention secara langsung tanpa melalui e-satisfaction.

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Factors on Unified Theory of Acceptance and Use of Technology (UTAUT) are factors derived from UTAUT technology acceptance model, which is used to describe the factors that influence the acceptance of individuals on the implementation of a new technology in the company. This study aimed to analyze the influence of UTAUT factors on e-retention with e-satisfaction as mediating variable. This study uses a quantitative approach with the total samples.

The results showed that: (1) Performance Expectancy influences e-retention significantly, (2) Effort Expectancy influences e-retention significantly, (3) Social Influence influences e-retention not significantly, (4) Facilitating Conditions influences e-retention significantly, (5) e-satisfaction influences e-retention significantly, and (6) UTAUT Factors influence e-retention with e-satisfaction as mediating variable. However, the bigger impact is shown from the influence of UTAUT Factors on e-retention directly without going through the e-satisfaction."