# Statistics

 bar_chart Draw a bar chart bernoulli_variable Bernoulli variable binomial_variable Binomial variable boxplot Draw a boxplot chi_squared_variable ${\chi }^{2}$ variable correlation_n Correlation computation, up to a factor correlation Correlation computation covariance Covariance computation density Density function of a random variable distribution Distribution function of a random variable exponential_variable Exponential variable histogram Draw a histogram moment Moment computation normal_variable Normal variable pie_chart Draw a pie chart poisson_variable Poisson variable quantile Inverse of cumulative distribution quartile Quartile computation random Random number following a distribution regression_exponential Regression following an exponential function regression_line Regression following a linear function regression_logarithm Regression following a logarithm function regression_power Regression following a power law student_t_variable $t$-student variable uniform_variable Uniform variable