%ADABOOSTC
%
%?[WVALF]?=??ADABOOSTC（ACLASSFNRULEVERBOSE）;
%
%?INPUT
%???A???????Dataset
%???CLASSF??Untrained?weak?classifier
%???N???????Number?of?classifiers?to?be?trained
%???RULE????Combining?rule?（default:?weighted?voting）
%???VERBOSE?Suppress?progress?report?if?0?（default?1）
%
%?OUTPUT
%???W???????Combined?trained?classifier
%???V???????Cell?array?of?all?classifiers
%???????????Use?VC?=?stacked（V）?for?combining
%???ALF?????Weights
%
%?DEscriptION
%
%?Computation?of?a?combined?classifier?according?to?adaboost.
%
%?In?total?N?weighted?versions?of?the?training?set?A?are?generated
%?iteratevely?and?used?for?the?training?of?the?specified?classifier.
%?Weights?to?be?used?for?the?probabilities?of?the?objects?in?the?training
%?set?to?be?selected?are?updated?according?to?the?Adaboost?rule.
%
%?The?entire?set?of?generated?classifiers?is?given?in?V.
%?The?set?of?classifier?weigths?according?to?Adaboost?is?returned?in?ALF
%
%?Various?aggregating?possibilities?can?be?given?in?
%?the?final?parameter?rule:
%?[]:??????WVOTEC?weighted?voting.
%?VOTEC????voting
%?MEANC????sum?rule
%?AVERAGEC?averaging?of?coeffients?（for?linear?combiners）
%?PRODC????product?rule
%?MAXC?????maximum?rule
%?MINC?????minimum?rule
%?MEDIANC??median?rule
%
%?REFERENCE
%?Ji?Zhu?Saharon?Rosset?Hui?Zhou?and?Trevor?Hastie?
%?Multiclass?Adaboost.?A?multiclass?generalization?of?the?Adaboost?
%?algorithm?based?on?a?generalization?of?the?exponential?loss.
%?http://www-stat.stanford.edu/~hastie/Papers/samme.pdf
%
%?SEE?ALSO
%?MAPPINGS?DATASETS

%?Copyright:?R.P.W.?Duin?r.p.w.duin@prtools.org
%?Faculty?EWI?Delft?University?of?Technology
%?P.O.?Box?5031?2600?GA?Delft?The?Netherlands
%?（Multiclass?correction?by?Marcin?Budka?Bournemouth?Univ.?UK）

function?[WValf]?=?adaboostc（aclasfnruleverbose）

	prtrace（mfilename）;

%%INITIALISATION
if?nargin?if?nargin?if?nargin?if?nargin?if?nargin?	W?=?mapping（mfilename{clasfnruleverbose}）;
	W?=?setname（W‘Adaboost‘）;
	return
end

[mkc]?=?getsize（a）;
V?=?[];
lablist?=?getlablist（a）;
laba?=?getnlab（a）;
p?=?getprior（a）;
a?=?dataset（alaba）;		%?use?numeric?labels?for?speed
a?=?setprior（ap）;
u?=?ones（m1）/m;			%?initialise?object?weights
alf?=?zeros（1n）;			%?space?for?classifier?weights
if?verbose?>?0?&&?k?==?2
	figure（verbose）;
	scatterd（a）;
end

%%?generate?n?classifiers
for?i?=?1:n
	b?=?gendatw（aum）;				%?sample?training?set
	b?=?setprior（bgetprior（a））;	%?use?original?priors

	w?=?b*clasf;					%?train?weak?classifier
	ra?=?a*w;						%?test?weak?classifier

	if?verbose?&&?k?==?2
		plotc（w1）;?drawnow
	end
	
	labc?=?labeld（ra）;
	diff?=?（labc~=laba）;			%?objects?erroneously?classified
	erra?=?sum（（diff）.*u）;			%?weighted?error?on?original?dataset

	if?（erra?		alf（i）?=?0.5*（log（（1-erra）/erra）?+?log（c-1））;
		correct?=?find（diff==0）;	%?find?correctly?cla

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件?????????23??2010-03-21?17:34??matlab模式識別工具箱\prtools\@datafile\abs.m

?????文件????????575??2010-03-21?17:35??matlab模式識別工具箱\prtools\@datafile\abs.p

?????文件????????704??2010-03-21?17:34??matlab模式識別工具箱\prtools\@datafile\addpostproc.m

?????文件???????2055??2010-03-21?17:35??matlab模式識別工具箱\prtools\@datafile\addpostproc.p

?????文件???????1176??2010-03-21?17:34??matlab模式識別工具箱\prtools\@datafile\addpreproc.m

?????文件???????3010??2010-03-21?17:35??matlab模式識別工具箱\prtools\@datafile\addpreproc.p

?????文件?????????23??2010-03-21?17:34??matlab模式識別工具箱\prtools\@datafile\and.m

?????文件???????1103??2010-03-21?17:35??matlab模式識別工具箱\prtools\@datafile\and.p

?????文件?????????97??2010-03-21?17:34??matlab模式識別工具箱\prtools\@datafile\check12.m

?????文件???????5279??2010-03-21?17:35??matlab模式識別工具箱\prtools\@datafile\check12.p

?????文件???????2628??2010-03-21?17:34??matlab模式識別工具箱\prtools\@datafile\datafile.m

?????文件??????16005??2010-03-21?17:35??matlab模式識別工具箱\prtools\@datafile\datafile.p

?????文件?????????38??2010-03-21?17:34??matlab模式識別工具箱\prtools\@datafile\display.m

?????文件???????3111??2010-03-21?17:35??matlab模式識別工具箱\prtools\@datafile\display.p

?????文件????????461??2010-03-21?17:34??matlab模式識別工具箱\prtools\@datafile\dyadic.m

?????文件???????1778??2010-03-21?17:35??matlab模式識別工具箱\prtools\@datafile\dyadic.p

?????文件?????????22??2010-03-21?17:34??matlab模式識別工具箱\prtools\@datafile\end.m

?????文件????????995??2010-03-21?17:35??matlab模式識別工具箱\prtools\@datafile\end.p

?????文件?????????22??2010-03-21?17:34??matlab模式識別工具箱\prtools\@datafile\eq.m

?????文件???????1094??2010-03-21?17:35??matlab模式識別工具箱\prtools\@datafile\eq.p

?????文件?????????23??2010-03-21?17:34??matlab模式識別工具箱\prtools\@datafile\exp.m

?????文件????????507??2010-03-21?17:35??matlab模式識別工具箱\prtools\@datafile\exp.p

?????文件?????????24??2010-03-21?17:34??matlab模式識別工具箱\prtools\@datafile\find.m

?????文件????????948??2010-03-21?17:35??matlab模式識別工具箱\prtools\@datafile\find.p

?????文件????????228??2010-03-21?17:34??matlab模式識別工具箱\prtools\@datafile\findfiles.m

?????文件???????2401??2010-03-21?17:35??matlab模式識別工具箱\prtools\@datafile\findfiles.p

?????文件?????????22??2010-03-21?17:34??matlab模式識別工具箱\prtools\@datafile\ge.m

?????文件???????1110??2010-03-21?17:35??matlab模式識別工具箱\prtools\@datafile\ge.p

?????文件????????220??2010-03-21?17:34??matlab模式識別工具箱\prtools\@datafile\get.m

?????文件???????3843??2010-03-21?17:35??matlab模式識別工具箱\prtools\@datafile\get.p

............此處省略897個文件信息