0.4.0

2017-11-16

Added

• covariance()
• add_to_mean()
• sinh()
• cosh()
• tanh()
• gamma_function()
• beta()

0.3.0

2016-12-03

Added

• error_function() - Gauss error function
• chi_squared_dist_table() - A table of χ2 values vs p-values
• bernoulli() - the Bernoulli distribution
• poisson() - the Poisson distribution

0.2.5

0.2.5

2016-09-24

Added

• harmonic_mean()
• bayesian_classfier()
• perceptron()
• coefficient_of_variation() (Thanks to Lidiane Taquehara (lidimayra))

Improved

• Allow user to specify sample = False in standard_deviation(),
  coefficient_of_variation(), z_scores() (Thanks to Lidiane Taquehara
  (lidimayra))

0.2.0

2016-08-27

Added

• linear_regression_line() returns a function that, provided with a (m, b)
  tuple, where m is the slope and b is the y intercept, calculates y values
  based on given x values.
• root_mean_square()
• interquartile_range()
• sum_nth_power_deviations() to calculate sum of the deviations raised to Nth power.

0.1.5

0.1.5

2016-07-30

Added

• factorial()
• choose()
• binomial() to calculate binomial distribution probabilities
• normal() to calculate normal distribution probabilities
• kurtosis() to calculate kurtosis/"tailedness" of a probability distribution of a variable
  _ skew() to calculate Pearson's moment coefficient of skewness
• linear_regression() to calculate slope (m) and y intercept (b) of line of
  best fit.

Improved

• Reorganized documentation.

Improved

• 100% test coverage