Survey. Selection bias. API. Web scarping. Tidy data. Missing values. Extreme values, Relational data. Exploratory data analysis. Data visualization. Geometric objects. Boxplot. Histogram. Log-normal distribution. Relative and absolute frequency. Scatterplot and bin scatter. Correlation. Mean and median. Standard deviation. Simulation. Bootstrap. Hypothesis testing. P-hacking. Internal and external validity. Multiple testing.
Patterns. Lowess. Non-parametric regression. OLS regression. Coefficient interpretation. Comparison of conditional mean. Log transformation. Splines. Weights. Generalization. Confidence interval. Measurement error. Multiple regression. OLS mechanics. Prediction and causal inference. Ceteris Paribus. Linear Probability Model. Logit. Predicted probability. False positive and false negative. Power of test. Bias and calibration. Time series regressions. Serial correlation. Trend and seasonality. First difference.