1.

Record Nr.

UNINA9910150485203321

Autore

Omer Mike

Titolo

Deadly Web : A Police Procedural Novel

Pubbl/distr/stampa

Tantor Audio

ISBN

1-5159-9407-4

Lingua di pubblicazione

Inglese

Formato

Musica

Livello bibliografico

Monografia

Sommario/riassunto

Detective Hannah Shor is desperate to prove her worth to her superiors, and herself. When a middle-aged man is found stabbed to death in his apartment, she might just get her chance. But then she finds that the deceased was a vile Internet Troll, sexually harassing women on Twitter. Hannah starts wondering if she really wants to catch his killer.And the night is far from over. Only several hours later, a young woman is strangled to death. Detective Jacob Cooper discovers that the victim was lost in her own virtual world-a recluse who spent all day sucked into a violent online role-playing game. To find the murderer, Jacob might have to step into the game.Now Hannah will have to push aside her qualms, and Jacob will have to find a way to overcome his technophobia, if they want to crack the cases. Their search will take them into the seedier parts of the Internet and uncover shocking secrets as they attempt to expose a killer.



2.

Record Nr.

UNINA9910484940203321

Autore

Kronthaler Franz

Titolo

Data Analysis with RStudio : An Easygoing Introduction / / by Franz Kronthaler, Silke Zöllner

Pubbl/distr/stampa

Berlin, Heidelberg : , : Springer Berlin Heidelberg : , : Imprint : Springer Spektrum, , 2021

ISBN

3-662-62518-0

Edizione

[1st ed. 2021.]

Descrizione fisica

1 online resource (XI, 125 p. 171 illus., 155 illus. in color. Textbook for German language market.)

Disciplina

519.502855133

Soggetti

Mathematical statistics - Data processing

Quantitative research

Sampling (Statistics)

Statistics and Computing

Data Analysis and Big Data

Methodology of Data Collection and Processing

Lingua di pubblicazione

Inglese

Formato

Materiale a stampa

Livello bibliografico

Monografia

Nota di contenuto

Comment -- 1 R and RStudio -- 2 Data analysis basics with RStudio -- 3 Data tourism (simulated) -- 4 Describing data with RStudio -- 5 Testing normal distribution with RStudio -- 6 Testing hypotheses with RStudio,- 7 Linear regression with RStudio -- 8 Further reading -- 9 Appendix: 1 Questionnaire, 2 Data "tourism.xlsx" including legend, 3 How to deal with missing data, 4 Solutions for the task.

Sommario/riassunto

The objective of this text is to introduce RStudio to practitioners and students and enable them to use R in their everyday work. It is not a statistical textbook, the purpose is to transmit the joy of analyzing data with RStudio. Practitioners and students learn how RStudio can be installed and used, they learn to import data, write scripts and save working results. Furthermore, they learn to employ descriptive statistics and create graphics with RStudio. Additionally, it is shown how RStudio can be used to test hypotheses, run an analysis of variance and regressions. To deepen the learned content, tasks are included with the solutions provided at the end of the textbook. This textbook has been



recommended and developed for university courses in Germany, Austria and Switzerland. The Authors Franz Kronthaler is Professor of Statistics and Economics at the University of Applied Sciences of the Grisons in Switzerland. He teaches statistics at the bachelor and master level for more than ten years and authored the German textbook “Statistik angewandt mit Excel – Datenanalyse ist keine Kunst”. Silke Zöllner is a Research Associate at the Institute of Business and Regional Economics at Lucerne University of Applied Sciences and Arts. She is a doctoral candidate and teaches statistics at the bachelor level.