Source file `stats.ml`

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(* gsl-ocaml - OCaml interface to GSL                       *)
(* Copyright (©) 2002-2012 - Olivier Andrieu                *)
(* Distributed under the terms of the GPL version 3         *)


let () = Error.init ()

external mean : ?w:float array -> float array -> float
    = "ml_gsl_stats_mean"

external variance : ?w:float array -> ?mean:float -> float array -> float
    = "ml_gsl_stats_variance"

external sd : ?w:float array -> ?mean:float -> float array -> float
    = "ml_gsl_stats_sd"

external variance_with_fixed_mean : 
  ?w:float array -> mean:float -> float array -> float
    = "ml_gsl_stats_variance_with_fixed_mean"

external sd_with_fixed_mean : 
  ?w:float array -> mean:float -> float array -> float
    = "ml_gsl_stats_sd_with_fixed_mean"

external absdev : ?w:float array -> ?mean:float -> float array -> float
    = "ml_gsl_stats_absdev"

external skew : ?w:float array -> float array -> float
    = "ml_gsl_stats_skew"

external skew_m_sd : 
  ?w:float array -> mean:float -> 
  sd:float -> float array -> float
    = "ml_gsl_stats_skew_m_sd"

external kurtosis : ?w:float array -> float array -> float
    = "ml_gsl_stats_kurtosis"

external kurtosis_m_sd : 
  ?w:float array -> mean:float -> 
  sd:float -> float array -> float
    = "ml_gsl_stats_kurtosis_m_sd"

external lag1_autocorrelation : 
  ?mean:float -> float array -> float
    = "ml_gsl_stats_lag1_autocorrelation"

external covariance : 
  float array -> float array -> float
    = "ml_gsl_stats_covariance"

external covariance_m : 
  mean1:float -> float array -> 
  mean2:float -> float array -> float
    = "ml_gsl_stats_covariance_m"

external max : float array -> float
    = "ml_gsl_stats_max"
external min : float array -> float
    = "ml_gsl_stats_min"
external minmax : float array -> float * float
    = "ml_gsl_stats_minmax"
external max_index : float array -> int
    = "ml_gsl_stats_max_index"
external min_index : float array -> int
    = "ml_gsl_stats_min_index"
external minmax_index : float array -> int * int
    = "ml_gsl_stats_minmax_index"

external quantile_from_sorted_data : float array -> float -> float
    = "ml_gsl_stats_quantile_from_sorted_data"

external correlation :
  float array -> float array -> float
    = "ml_gsl_stats_correlation"