Statistics with R

  1. Descriptive Statistics
    1. Statistical Concepts
      1. Population vs Sample
        1. Parameters vs Statistics
          1. Levels of Measurement
            1. Nominal
              1. Ordinal
                1. Interval
                  1. Ratio
                2. Measures of Central Tendency
                  1. Mean
                    1. Arithmetic Mean
                      1. Weighted Mean
                        1. Trimmed Mean
                        2. Median
                          1. Mode
                            1. Choosing Appropriate Measures
                            2. Measures of Variability
                              1. Range
                                1. Interquartile Range
                                  1. Variance
                                    1. Population Variance
                                      1. Sample Variance
                                      2. Standard Deviation
                                        1. Population Standard Deviation
                                          1. Sample Standard Deviation
                                          2. Coefficient of Variation
                                            1. Mean Absolute Deviation
                                            2. Measures of Position
                                              1. Percentiles
                                                1. Quartiles
                                                  1. Quantiles
                                                    1. Z-scores
                                                      1. Standardized Scores
                                                        1. Outlier Detection
                                                        2. Distribution Shape
                                                          1. Skewness
                                                            1. Kurtosis
                                                              1. Symmetry Assessment
                                                              2. Categorical Data Summary
                                                                1. Frequency Tables
                                                                  1. Relative Frequencies
                                                                    1. Proportions
                                                                      1. Percentages
                                                                        1. Cross-tabulations
                                                                          1. Contingency Tables
                                                                          2. Computing Descriptive Statistics in R
                                                                            1. Base R Functions
                                                                              1. mean() Function
                                                                                1. median() Function
                                                                                  1. sd() Function
                                                                                    1. var() Function
                                                                                      1. quantile() Function
                                                                                        1. summary() Function
                                                                                          1. table() Function
                                                                                          2. dplyr Summaries
                                                                                            1. Grouped Summaries
                                                                                              1. Multiple Statistics
                                                                                                1. Custom Summary Functions
                                                                                                2. psych Package
                                                                                                  1. Hmisc Package

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                                                                                                7. Data Manipulation with dplyr

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                                                                                                9. Data Visualization Fundamentals