PHP - Statistics Module

List of Functions

PHP − indicates the earliest version of PHP that supports the function.

Sr.No	Function & Description
1	stats_absolute_deviation() function The function can return absolute deviation of an array of values.
2	stats_cdf_beta() function The function can calculate any one parameter of beta distribution given values for the others.
3	stats_cdf_binomial() function The function can calculate any one parameter of binomial distribution given values for the others.
4	stats_cdf_cauchy() function The function can calculate any one parameter of Cauchy distribution given values for the others.
5	stats_cdf_chisquare() function The function can calculate any one parameter of chi-square distribution given values for the others.
6	stats_cdf_exponential() function The function can calculate any one parameter of exponential distribution given values for the others.
7	stats_cdf_f() function The function can calculate any one parameter of F distribution given values for the others.
8	stats_cdf_gamma() function The function can calculate any one parameter of gamma distribution given values for the others.
9	stats_cdf_laplace() function The function can calculate any one parameter of Laplace distribution given values for the others.
10	stats_cdf_logistic() function The function can calculate any one parameter of logistic distribution given values for the others.
11	stats_cdf_negative_binomial() function The function can calculate any one parameter of negative binomial distribution given values for the others.
12	stats_cdf_noncentral_chisquare() function The function can calculate any one parameter of non-central chi-square distribution given values for the others.
13	stats_cdf_noncentral_f() function The function can calculate any one parameter of non-central F distribution given values for the others.
14	stats_cdf_noncentral_t() function The function can calculate any one parameter of non-central t-distribution given values for the others.
15	stats_cdf_normal() function The function calculate any one parameter of normal distribution given values for the others.
16	stats_cdf_poisson() function The function can calculate any one parameter of Poisson distribution given values for the others.
17	stats_cdf_t() function The function can calculate any one parameter of t-distribution given values for the others.
18	stats_cdf_uniform() function The function can calculate any one parameter of uniform distribution given values for the others.
19	stats_cdf_weibull() function The function can calculate any one parameter of Weibull distribution given values for the others.
20	stats_covariance() function The function can compute the covariance of two data sets.
21	stats_dens_beta() function The function is probability density function of the beta distribution.
22	stats_dens_cauchy() function The function is a probability density function of Cauchy distribution.
23	stats_dens_chisquare() function The function is a probability density function of the chi-square distribution.
24	stats_dens_exponential() function The function is a probability density function of the exponential distribution.
25	stats_dens_f() function The function is a probability density function of the F distribution.
26	stats_dens_gamma() function The function is a probability density function of the gamma distribution.
27	stats_dens_laplace() function The function is a probability density function of the Laplace distribution.
28	stats_dens_logistic() function The function is a probability density function of the logistic distribution.
29	stats_dens_normal() function The function is a probability density function of the normal distribution.
30	stats_dens_pmf_binomial() function The function is a probability mass function of the binomial distribution.
31	stats_dens_pmf_hypergeometric() function The function is a probability mass function of the hypergeometric distribution.
32	stats_dens_pmf_negative_binomial() function The function is a probability density function of negative binomial distribution.
33	stats_dens_pmf_poisson() function The function is a probability mass function of the Poisson distribution.
34	stats_dens_t() function The function is a probability density function of the t-distribution.
35	stats_dens_uniform() function The function is a probability density function of the uniform distribution.
36	stats_dens_weibull() function The function is a probability density function of the Weibull distribution.
37	stats_harmonic_mean() function The function can return the harmonic mean of an array of values.
38	stats_kurtosis() function The function can compute the kurtosis of the data in an array.
39	stats_rand_gen_beta() function The function can generate a random deviate from the beta distribution.
40	stats_rand_gen_chisquare() function The function can generate a random deviate from the chi-square distribution.
41	stats_rand_gen_exponential() function The function can generate a random deviate from the exponential distribution.
42	stats_rand_gen_f() function The function can generate a random deviate from the F distribution.
43	stats_rand_gen_funiform() function The function can generate uniform float between low (exclusive) and high (exclusive).
44	stats_rand_gen_gamma() function The function can generate a random deviate from the gamma distribution.
45	stats_rand_gen_ibinomial() function The function can generate a random deviate from the binomial distribution.
46	stats_rand_gen_ibinomial_negative() function The function can generate random deviate from the negative binomial distribution.
47	stats_rand_gen_int() function The function can generate a random integer between 1 and 2147483562.
48	stats_rand_gen_ipoisson() function The function can generate a single random deviate from a Poisson distribution.
49	stats_rand_gen_iuniform() function The function can generate an integer uniformly distributed between LOW (inclusive) and HIGH (inclusive).
50	stats_rand_gen_noncentral_chisquare() function The function can generate a random deviate from the non-central chi-square distribution.
51	stats_rand_gen_noncentral_f() function The function can generate a random deviate from the non-central F distribution.
52	stats_rand_gen_noncentral_t() function The function can generate a single random deviate from a non-central t-distribution.
53	stats_rand_gen_normal() function The function can generate a single random deviate from a normal distribution.
54	stats_rand_gen_t() function The function can generate a single random deviate from a t-distribution.
55	stats_rand_get_seeds() function The function can get the seed values of random number generator.
56	stats_rand_phrase_to_seeds() function The function can generate two seeds for the RGN random number generator.
57	stats_rand_ranf() function The function can generate a random floating-point number between 0 and 1.
58	stats_rand_setall() function The function can set seed values to the random generator.
59	stats_skew() function The function can compute the skewness of the data in an array.
60	stats_standard_deviation() function The function can return the standard deviation.
61	stats_stat_binomial_coef() function The function can return a binomial coefficient.
62	stats_stat_correlation() function The function can return the Pearson correlation coefficient of two data sets.
63	stats_stat_factorial() function The function can return the factorial of an integer.
64	stats_stat_independent_t() function The function can return the t-value from the independent two-sample t-test.
65	stats_stat_innerproduct() function The function can return an inner product of two vectors.
66	stats_stat_paired_t() function The function can return the t-value of the dependent t-test for paired samples.
67	stats_stat_percentile() function The function can return the percentile value.
68	stats_stat_powersum() function The function can return the power sum of a vector.
69	stats_variance() function The function can return the variance.

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