Chapter 3. Analyzing Data Statistically

In this chapter, we will cover the following recipes:

• Generating descriptive statistics
• Generating summary statistics
• Generating summary statistics from multiple distributions
• Computing frequency distribution
• Counting word frequency in a string
• Counting word frequency in a string using Java 8
• Computing simple regression
• Computing ordinary least squares regression
• Computing generalized least squares regression
• Calculating covariance of two sets of data points
• Calculating Pearson's correlation of two sets of data points
• Conducting a paired t-test
• Conducting a Chi-square test
• Conducting one-way ANOVA test
• Conducting a Kolmogorov-Smirnov test