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Zephyr Scientific Library (zscilib)
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API header file for statistics in zscilib. More...
Go to the source code of this file.
Data Structures | |
| struct | zsl_sta_linreg |
| Simple linear regression coefficients. More... | |
Functions | |
| int | zsl_sta_mean (struct zsl_vec *v, zsl_real_t *m) |
| Computes the arithmetic mean (average) of a vector. More... | |
| int | zsl_sta_trim_mean (struct zsl_vec *v, zsl_real_t p, zsl_real_t *m) |
| Computes the trimmed arithmetic mean (average) of a vector. More... | |
| int | zsl_sta_weighted_mean (struct zsl_vec *v, struct zsl_vec *w, zsl_real_t *m) |
| Computes the weighted arithmetic mean (average) of a data vector (v) and a weight vector (w). More... | |
| int | zsl_sta_time_weighted_mean (struct zsl_vec *v, struct zsl_vec *t, zsl_real_t *m) |
| Computes the time-weighted arithmetic mean (average) of a positive data vector (v) and its time vector (w). More... | |
| int | zsl_sta_demean (struct zsl_vec *v, struct zsl_vec *w) |
| Subtracts the mean of vector v from every component of the vector. The output vector w then has a zero mean. More... | |
| int | zsl_sta_percentile (struct zsl_vec *v, zsl_real_t p, zsl_real_t *val) |
| Computes the given percentile of a vector. More... | |
| int | zsl_sta_median (struct zsl_vec *v, zsl_real_t *m) |
| Computes the median of a vector (the value separating the higher half from the lower half of a data sample). More... | |
| int | zsl_sta_weighted_median (struct zsl_vec *v, struct zsl_vec *w, zsl_real_t *m) |
| Computes the weighted median of a data vector (v) and a weight vector (w). More... | |
| int | zsl_sta_quart (struct zsl_vec *v, zsl_real_t *q1, zsl_real_t *q2, zsl_real_t *q3) |
| Calculates the first, second and third quartiles of a vector v. More... | |
| int | zsl_sta_quart_range (struct zsl_vec *v, zsl_real_t *r) |
| Calculates the numeric difference between the third and the first quartiles of a vector v. More... | |
| int | zsl_sta_mode (struct zsl_vec *v, struct zsl_vec *w) |
| Computes the mode or modes of a vector v. More... | |
| int | zsl_sta_data_range (struct zsl_vec *v, zsl_real_t *r) |
| Computes the difference between the greatest value and the lowest in a vector v. More... | |
| int | zsl_sta_mean_abs_dev (struct zsl_vec *v, zsl_real_t *m) |
| Computes the mean absolute deviation of a data vector v. More... | |
| int | zsl_sta_median_abs_dev (struct zsl_vec *v, zsl_real_t *m) |
| Computes the median absolute deviation of a data vector v. More... | |
| int | zsl_sta_var (struct zsl_vec *v, zsl_real_t *var) |
| Computes the variance of a vector v (the average of the squared differences from the mean). More... | |
| int | zsl_sta_std_dev (struct zsl_vec *v, zsl_real_t *s) |
| Computes the standard deviation of vector v. More... | |
| int | zsl_sta_covar (struct zsl_vec *v, struct zsl_vec *w, zsl_real_t *c) |
| Computes the variance of two sets of data: v and w. More... | |
| int | zsl_sta_covar_mtx (struct zsl_mtx *m, struct zsl_mtx *mc) |
| Calculates the nxn covariance matrix of a set of n vectors of the same length. More... | |
| int | zsl_sta_linear_reg (struct zsl_vec *x, struct zsl_vec *y, struct zsl_sta_linreg *c) |
| Calculates the slope, intercept and correlation coefficient of the linear regression of two vectors, allowing us to make a prediction of y on the basis of x. More... | |
| int | zsl_sta_mult_linear_reg (struct zsl_mtx *x, struct zsl_vec *y, struct zsl_vec *b, zsl_real_t *r) |
| Calculates the coefficients (vector 'b') of the multiple linear regression of the x_i values (columns of the matrix 'x') and the y values. More... | |
| int | zsl_sta_weighted_mult_linear_reg (struct zsl_mtx *x, struct zsl_vec *y, struct zsl_vec *w, struct zsl_vec *b, zsl_real_t *r) |
| Calculates the coefficients (vector 'b') of the weighted multiple linear regression of the x_i values (columns of the matrix 'x'), the y values and the weights in the vector 'w'. More... | |
| int | zsl_sta_quad_fit (struct zsl_mtx *m, struct zsl_vec *b) |
| This function uses the least squares fitting method to compute the coefficients of a quadric surface given a set of tridimensional points. More... | |
| int | zsl_sta_abs_err (zsl_real_t *val, zsl_real_t *exp_val, zsl_real_t *err) |
| Calculates the absolute error given a value and its expected value. More... | |
| int | zsl_sta_rel_err (zsl_real_t *val, zsl_real_t *exp_val, zsl_real_t *err) |
| Calculates the relative error given a value and its expected value. More... | |
| int | zsl_sta_sta_err (struct zsl_vec *v, zsl_real_t *err) |
| Calculates the standard error of the mean of a sample (vector v). More... | |
API header file for statistics in zscilib.
This file contains the zscilib statistics APIs
Definition in file statistics.h.
1.8.17