PHP - Statistics Module

stats_absolute_deviation() function

The function can return absolute deviation of an array of values.

stats_cdf_beta() function

The function can calculate any one parameter of beta distribution given values for the others.

stats_cdf_binomial() function

The function can calculate any one parameter of binomial distribution given values for the others.

stats_cdf_cauchy() function

The function can calculate any one parameter of Cauchy distribution given values for the others.

stats_cdf_chisquare() function

The function can calculate any one parameter of chi-square distribution given values for the others.

stats_cdf_exponential() function

The function can calculate any one parameter of exponential distribution given values for the others.

stats_cdf_f() function

The function can calculate any one parameter of F distribution given values for the others.

stats_cdf_gamma() function

The function can calculate any one parameter of gamma distribution given values for the others.

stats_cdf_laplace() function

The function can calculate any one parameter of Laplace distribution given values for the others.

stats_cdf_logistic() function

The function can calculate any one parameter of logistic distribution given values for the others.

stats_cdf_negative_binomial() function

The function can calculate any one parameter of negative binomial distribution given values for the others.

stats_cdf_noncentral_chisquare() function

The function can calculate any one parameter of non-central chi-square distribution given values for the others.

stats_cdf_noncentral_f() function

The function can calculate any one parameter of non-central F distribution given values for the others.

stats_cdf_noncentral_t() function

The function can calculate any one parameter of non-central t-distribution given values for the others.

stats_cdf_normal() function

The function calculate any one parameter of normal distribution given values for the others.

stats_cdf_poisson() function

The function can calculate any one parameter of Poisson distribution given values for the others.

stats_cdf_t() function

The function can calculate any one parameter of t-distribution given values for the others.

stats_cdf_uniform() function

The function can calculate any one parameter of uniform distribution given values for the others.

stats_cdf_weibull() function

The function can calculate any one parameter of Weibull distribution given values for the others.

stats_covariance() function

The function can compute the covariance of two data sets.

stats_dens_beta() function

The function is probability density function of the beta distribution.

stats_dens_cauchy() function

The function is a probability density function of Cauchy distribution.

stats_dens_chisquare() function

The function is a probability density function of the chi-square distribution.

stats_dens_exponential() function

The function is a probability density function of the exponential distribution.

stats_dens_f() function

The function is a probability density function of the F distribution.

stats_dens_gamma() function

The function is a probability density function of the gamma distribution.

stats_dens_laplace() function

The function is a probability density function of the Laplace distribution.

stats_dens_logistic() function

The function is a probability density function of the logistic distribution.

stats_dens_normal() function

The function is a probability density function of the normal distribution.

stats_dens_pmf_binomial() function

The function is a probability mass function of the binomial distribution.

stats_dens_pmf_hypergeometric() function

The function is a probability mass function of the hypergeometric distribution.

stats_dens_pmf_negative_binomial() function

The function is a probability density function of negative binomial distribution.

stats_dens_pmf_poisson() function

The function is a probability mass function of the Poisson distribution.

stats_dens_t() function

The function is a probability density function of the t-distribution.

stats_dens_uniform() function

The function is a probability density function of the uniform distribution.

stats_dens_weibull() function

The function is a probability density function of the Weibull distribution.

stats_harmonic_mean() function

The function can return the harmonic mean of an array of values.

stats_kurtosis() function

The function can compute the kurtosis of the data in an array.

stats_rand_gen_beta() function

The function can generate a random deviate from the beta distribution.

stats_rand_gen_chisquare() function

The function can generate a random deviate from the chi-square distribution.

stats_rand_gen_exponential() function

The function can generate a random deviate from the exponential distribution.

stats_rand_gen_f() function

The function can generate a random deviate from the F distribution.

stats_rand_gen_funiform() function

The function can generate uniform float between low (exclusive) and high (exclusive).

stats_rand_gen_gamma() function

The function can generate a random deviate from the gamma distribution.

stats_rand_gen_ibinomial() function

The function can generate a random deviate from the binomial distribution.

stats_rand_gen_ibinomial_negative() function

The function can generate random deviate from the negative binomial distribution.

stats_rand_gen_int() function

The function can generate a random integer between 1 and 2147483562.

stats_rand_gen_ipoisson() function

The function can generate a single random deviate from a Poisson distribution.

stats_rand_gen_iuniform() function

The function can generate an integer uniformly distributed between LOW (inclusive) and HIGH (inclusive).

stats_rand_gen_noncentral_chisquare() function

The function can generate a random deviate from the non-central chi-square distribution.

stats_rand_gen_noncentral_f() function

The function can generate a random deviate from the non-central F distribution.

stats_rand_gen_noncentral_t() function

The function can generate a single random deviate from a non-central t-distribution.

stats_rand_gen_normal() function

The function can generate a single random deviate from a normal distribution.

stats_rand_gen_t() function

The function can generate a single random deviate from a t-distribution.

stats_rand_get_seeds() function

The function can get the seed values of random number generator.

stats_rand_phrase_to_seeds() function

The function can generate two seeds for the RGN random number generator.

stats_rand_ranf() function

The function can generate a random floating-point number between 0 and 1.

stats_rand_setall() function

The function can set seed values to the random generator.

stats_skew() function

The function can compute the skewness of the data in an array.

stats_standard_deviation() function

The function can return the standard deviation.

stats_stat_binomial_coef() function

The function can return a binomial coefficient.

stats_stat_correlation() function

The function can return the Pearson correlation coefficient of two data sets.

stats_stat_factorial() function

The function can return the factorial of an integer.

stats_stat_independent_t() function

The function can return the t-value from the independent two-sample t-test.

stats_stat_innerproduct() function

The function can return an inner product of two vectors.

stats_stat_paired_t() function

The function can return the t-value of the dependent t-test for paired samples.

stats_stat_percentile() function

The function can return the percentile value.

stats_stat_powersum() function

The function can return the power sum of a vector.

stats_variance() function

The function can return the variance.