![]() 8.5 Packages to compute descriptive statistics.8.4.6 Standard deviation: Your average deviation from the mean.8.4.5 QQ plot: A ‘cute’ plot to check for normality in your data.8.4.3 Density plots: Your smooth histograms.8.4.2 Histogram: Do not mistake it as a bar plot.8.4.1 Boxplot: So much information in just one box.8.4 Indicators and visualisations to examine the spread of data.8.3 Central tendency measures: Mean, Median, Mode.8.2 Frequencies and relative frequencies: Counting categorical variables.7.9 Once you finished with data wrangling.7.8.4 Reversing items with opposite meaning.7.8.2 Checking internal consistency of items measuring a latent variable.7.8 Latent constructs and their reliability.7.7.5 Main takeaways regarding dealing with missing data.7.7.4 Two more methods of replacing missing data you hardly ever need.7.7.3 Replacing or removing missing data.7.7.2 Identifying patterns of missing data.7.6.2 Computing durations with dates, times and date-time variables.7.6.1 Converting dates and times for analysis.7.6 Handling dates, times and durations.7.4 Data types: What are they and how can you change them.7.3 Cleaning your column names: Call the janitor.7.1.3 Importing data using functions directly.7.1.2 Importing data from the Environment pane.5.4.3 Install all necessary R packages for this book.5.4.2 Installing packages via RStudio’s package pane.5.4.1 Installing packages using install.packages().4.4 The Files / Plots / Packages / Help / Viewer window.4.3 The Environment / History / Connections / Tutorial window.3.4 Updating R and RStudio: Living at the pulse of innovation.2.4 Learning any programming language will help you learn other programming languages.2.3 Programming languages allow you to look at your data from a different angle.2.2 Programming languages enhance your conceptual thinking.2.1 Learning new tools to analyse your data is always essential.2 Why learn a programming language as a non-programmer?.1.4 Understanding the formatting of this book.1.3 A ‘tidyverse’ approach with some basic R.1.1 A starting point and reference book.
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