function?[p?Q]=?chi2test（x）
	
%?Usage:?[p?Q]=?chi2test（x）
%?
%?The?chi-squared?test.?
%?
%?Given?a?number?of?samples?this?function?tests?the?hypothesis?that?the?samples?are?
%?independent.?If?Q?>?chi2（p?nu）?the?hypothesis?is?rejected.?
%?
%?Each?column?represents?a?variables?each?row?a?sample.
%?
%?If?you?find?any?errors?please?let?me?know:?.
%?
%?ARGUMENTS:
%?x?????Absolut?numbers.
%?p?????The?prob?ability?value?calculated?from?Q.
%?Q?????The?resulting?Q-value.
%?
%?EXAMPLE?1
%?In?region?A?324?of?556?cows?were?red?whereas?in?region?B?98?of?260?were?red.
%?[p?Q]=?chi2test（[324?556-324;?98?260-98]）
%?p=
%????4.2073e-08
%?Q=
%????30.0515
%?With?an?error?risk?of?about?4e-08?we?can?claim?that?the?samples?are?independent.
%?
%?EXAMPLE?2
%?Throw?two?different?dices?to?see?if?they?ha

?屬性????????????大小?????日期????時間???名稱
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?????文件???????2040??2009-03-25?08:04??chi2test.m

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?????????????????2040????????????????????1