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- https://stats.libretexts.org/Bookshelves/Applied_Statistics/Basic_Statistics_Using_R_for_Crime_Analysis_(Choi)/01%3A_Chapters/1.02%3A_Introduction_to_Data_Formations_and_GraphicsThis chapter focuses on transforming survey data from the 2012 General Social Survey (GSS) and visualizing it using the R programming language. The survey targets the American population's attitudes t...This chapter focuses on transforming survey data from the 2012 General Social Survey (GSS) and visualizing it using the R programming language. The survey targets the American population's attitudes towards police use of force. The chapter explains how to import the data using the haven package, transform categorical variables correctly, and employ the dplyr package for data manipulation. Additionally, it introduces the ggplot2 package for creating graphical representations of the data.
- https://stats.libretexts.org/Bookshelves/Applied_Statistics/Basic_Statistics_Using_R_for_Crime_Analysis_(Choi)/00%3A_Front_Matter
- https://stats.libretexts.org/Bookshelves/Applied_Statistics/Basic_Statistics_Using_R_for_Crime_Analysis_(Choi)/zz%3A_Back_Matter
- https://stats.libretexts.org/Bookshelves/Applied_Statistics/Basic_Statistics_Using_R_for_Crime_Analysis_(Choi)/00%3A_Front_Matter/05%3A_Prefacestudents I've taught understand the significance of data and analysis in Additionally, students often struggle to see how software programs can be programs like SPSS or Stata while at the university, ...students I've taught understand the significance of data and analysis in Additionally, students often struggle to see how software programs can be programs like SPSS or Stata while at the university, they often find themselves for data analysis, ensuring students can develop relevant skills beyond the I hope that students can easily follow the instructions in this book and will demonstrate the value of statistics and R, ideally inspiring students to further
- https://stats.libretexts.org/Bookshelves/Applied_Statistics/Basic_Statistics_Using_R_for_Crime_Analysis_(Choi)/01%3A_Chapters/1.03%3A_Creating_a_New_Variable_and_Producing_Summary_StatisticsThis chapter focuses on creating new variables and producing summary statistics using the 2018 Part 1 crime data from Pennsylvania's Uniform Crime Report. It explains the distinction between Part 1 (s...This chapter focuses on creating new variables and producing summary statistics using the 2018 Part 1 crime data from Pennsylvania's Uniform Crime Report. It explains the distinction between Part 1 (serious) and Part 2 (less serious) crimes and the limitations of the UCR due to underreporting. The chapter guides how to manipulate data in R, including renaming variables, calculating crime rates, and categorizing cities by population.
- https://stats.libretexts.org/Bookshelves/Applied_Statistics/Basic_Statistics_Using_R_for_Crime_Analysis_(Choi)This text is for those interested in becoming crime analysts, focusing on learning statistics without delving too deeply into mathematics. Moreover, this book emphasizes practical applications by util...This text is for those interested in becoming crime analysts, focusing on learning statistics without delving too deeply into mathematics. Moreover, this book emphasizes practical applications by utilizing R for data analysis, ensuring students can develop relevant skills beyond the university. I hope that students can easily follow the instructions in this book and replicate the same outcomes using the provided data. This practical experience will demonstrate the value of statistics and R.
- https://stats.libretexts.org/Bookshelves/Applied_Statistics/Basic_Statistics_Using_R_for_Crime_Analysis_(Choi)/01%3A_Chapters/1.04%3A_Central_Tendency_and_VariabilityThe page explains the concepts of central tendency and variability, key statistical measures that summarize and describe datasets. Central tendency includes mean, median, and mode, while variability i...The page explains the concepts of central tendency and variability, key statistical measures that summarize and describe datasets. Central tendency includes mean, median, and mode, while variability includes variance and standard deviation. The page also provides a guide on using R to compute these measures using the Gapminder dataset, showcasing steps to load and manipulate the data, and calculate these statistics.
- https://stats.libretexts.org/Bookshelves/Applied_Statistics/Basic_Statistics_Using_R_for_Crime_Analysis_(Choi)/00%3A_Front_Matter/07%3A_About_the_AuthorHe has received multiple teaching and research awards, including the 2023 Roslyn Muraskin Emerging Scholar Award from the Northeastern Association of Criminal Justice Sciences, the 2023 CJPR Policy Pa...He has received multiple teaching and research awards, including the 2023 Roslyn Muraskin Emerging Scholar Award from the Northeastern Association of Criminal Justice Sciences, the 2023 CJPR Policy Paper Award from the Sage Publication & Criminal Justice Policy Review, the 2020 Junior Faculty Research Award from the Korean Society of Criminology in America, and the 2018 Teaching Award from the Center for Teaching Excellence at the Indiana University of Pennsylvania.
- https://stats.libretexts.org/Bookshelves/Applied_Statistics/Basic_Statistics_Using_R_for_Crime_Analysis_(Choi)/01%3A_Chapters/1.09%3A_CorrelationThis page provides an introduction to correlation, focusing on the Pearson product-moment correlation coefficient, which measures the linear relationship between two variables. It clarifies the miscon...This page provides an introduction to correlation, focusing on the Pearson product-moment correlation coefficient, which measures the linear relationship between two variables. It clarifies the misconception that correlation does not imply causation, explaining that while necessary, correlation alone is not sufficient for causation. The text elaborates on calculating and interpreting Pearson's r, using the USArrests dataset as an example.
- https://stats.libretexts.org/Bookshelves/Applied_Statistics/Basic_Statistics_Using_R_for_Crime_Analysis_(Choi)/01%3A_Chapters/1.07%3A_T-TestThis page introduces the t-test, a statistical tool used to compare the means of two groups, and explains its use in examining differences in continuous data. Two types of t-tests are discussed: indep...This page introduces the t-test, a statistical tool used to compare the means of two groups, and explains its use in examining differences in continuous data. Two types of t-tests are discussed: independent-samples t-test, for comparing distinct groups, and paired-samples t-test, for comparing the same group over time. The context used involves assessing the impact of Cognitive Behavioral Therapy (CBT) programs on inmates' antisocial attitudes.
- https://stats.libretexts.org/Bookshelves/Applied_Statistics/Basic_Statistics_Using_R_for_Crime_Analysis_(Choi)/01%3A_Chapters/1.05%3A_Reliability_of_a_ScaleThe discussion focuses on the concepts of reliability and validity within criminal justice research, emphasizing the importance of consistent and accurate measurement of abstract social constructs lik...The discussion focuses on the concepts of reliability and validity within criminal justice research, emphasizing the importance of consistent and accurate measurement of abstract social constructs like societal disadvantage. Reliability refers to consistency in measurements, while validity concerns the accuracy of these measures. The chapter uses the National Crime Victimization Survey (NCVS) as a case study.
