]ML @ sv d d d d d d d d d d d
g Z d d l Z d d l Z d d
l m Z d d l m Z d d l m Z Gd d d e Z
d d d Z d d Z d d Z
d d Z d d Z d d Z d d Z d d Z d d Z d! d Z d" d Z d# d$ d Z d% d
Z d d& d' Z d d( d Z d d) d Z d d* d Z d d+ d Z d S),StatisticsErrorpstdev pvariancestdevvariancemedian
median_low median_highmedian_groupedmeanmode N)Fraction)Decimal)groupbyc @ s e Z d Z d S)r N)__name__
__module__ __qualname__ r r //opt/alt/python35/lib64/python3.5/statistics.pyr q s c C s d } t | \ } } | | i } | j } t t t | } xm t | t D]\ \ } } t | | } x> t t | D]- \ } } | d 7} | | d | | | s z_sum..)
_exact_ratioget_coerceinttyper mapsumsorteditems) datastartcountr r ZpartialsZ partials_getTtypvaluestotalr r r _sumw s #
%r* c C s4 y | j SWn t k
r/ t j | SYn Xd S)N)Z is_finiteAttributeErrormathisfinite)xr r r _isfinite s
r/ c C s | | k r | S| t k s( | t k r, | S| t k r< | St | | rO | St | | rb | St | t ru | St | t r | St | t r t | t r | St | t r t | t r | Sd } t | | j | j f d S)Nz"don't know how to coerce %s and %s)r bool
issubclassr
float TypeErrorr )r& Smsgr r r r s( r c C s y t | t k r | j Sy | j | j f SWnX t k
r y | j SWn5 t k
r y t | SWn t k
r Yn XYn XYn XWn" t t f k
r | d f SYn Xd } t | j
t | j d S)Nz0can't convert type '{}' to numerator/denominator) r r2 as_integer_ratio numerator denominatorr+ _decimal_to_ratio
OverflowError
ValueErrorr3 formatr )r. r5 r r r r s"
r c C s | j \ } } } | d k r+ | d f Sd } x | D] } | d | } q8 W| d k rj d | } n | d | 9} d } | r | } | | f S)NFr Nr
r )r= r r> )Zas_tuple)r signdigitsexpnumZdigitZdenr r r r9 s
r9 c C s t | | k r | St | t r: | j d k r: t } y | | SWn> t k
r t | t r | | j | | j S Yn Xd S)Nr )r r1 r r8 r2 r3 r r7 )valuer& r r r _convert s
rE c C s| t j t | j } | s% | S| d d } xB t d t | D]+ } | | d | k rI | d | } PqI W| S)Nr r ) collectionsCounteriter most_commonrangelen)r# tableZmaxfreqir r r _counts& s rN c C sh t | | k r t | } t | } | d k rB t d t | \ } } } t | | | S)Nr z%mean requires at least one data point)rH listrK r r* rE )r# r r& r) r% r r r r
6 s c C sr t | } t | } | d k r0 t d | d d k rL | | d S| d } | | d | | d Sd S)Nr zno median for empty data r )r! rK r )r# r rM r r r r Q s
c C s` t | } t | } | d k r0 t d | d d k rL | | d S| | d d Sd S)Nr zno median for empty datarP r )r! rK r )r# r r r r r i s c C s< t | } t | } | d k r0 t d | | d S)Nr zno median for empty datarP )r! rK r )r# r r r r r s
r c C s t | } t | } | d k r3 t d n | d k rG | d S| | d } x9 | | f D]+ } t | t t f rb t d | qb Wy | | d } Wn, t k
r t | t | d } Yn X| j | } | j | } | | | d | | S)Nr zno median for empty datar rP zexpected number but got %r)
r! rK r
isinstancestrbytesr3 r2 indexr% )r# intervalr r. objLZcffr r r r s"
c C sY t | } t | d k r* | d d S| rI t d t | n t d d S)Nr r z.no unique mode; found %d equally common valueszno mode for empty data)rN rK r )r# rL r r r r s c s d k r t | t f d d | D \ } } } t f d d | D \ } } } | | d t | 8} | | f S)Nc 3 s | ] } | d Vq d S)rP Nr )r r. )cr r r s z_ss..c 3 s | ] } | Vq d S)Nr )r r. )rY r r r s rP )r
r* rK )r# rY r& r) r% UZtotal2Zcount2r )rY r _ss s ((r[ c C sl t | | k r t | } t | } | d k rB t d t | | \ } } t | | d | S)NrP z*variance requires at least two data pointsr )rH rO rK r r[ rE )r# xbarr r& ssr r r r s & c C sh t | | k r t | } t | } | d k rB t d t | | \ } } t | | | S)Nr z*pvariance requires at least one data point)rH rO rK r r[ rE )r# mur r& r] r r r r 0 s ' c C sC t | | } y | j SWn t k
r> t j | SYn Xd S)N)r sqrtr+ r, )r# r\ varr r r r ` s
c C sC t | | } y | j SWn t k
r> t j | SYn Xd S)N)r r_ r+ r, )r# r^ r` r r r r p s
) __all__rF r, Z fractionsr
Zdecimalr itertoolsr r; r r* r/ r r r9 rE rN r
r r r r r r[ r r r r r r r r _ s6 9 % 1 */0