Find probability of the given data set, what probability i can say it is bad -


i have issue there data set. , in there have , bad category, , in category there few elements can , bad....

you can see ven diagram attached view , data set have. please ill glad if me out.

enter image description here enter image description here

i new probability , math stuff, yet have project in middle have find way given data set bad or depending on data.

what probability theory can use? how use... please give an example using data set. thankyou

eg. if data set of a,d,e elements there... probability can bad.

a function gives / bad result called classification function. data set, there many ways construct classification function. see, example, "pattern recognition , machine learning" brian ripley.

one way easy understand so-called quadratic discriminant. easy describe: (1) construct gaussian density each category (good, bad, etc). (2) output category new input has greatest probability.

(1) compute mean , covariance matrix data in each category. gives p(x | category).

(2) choose category such p(category | x) greatest. note p(category | x) = p(x | category) p(category) / sum_i (p(x | category_i) p(category_i)), p(category) (number of data in category) / (number of data). if work logarithms, can simplify calculations somewhat.

such function can constructed in few lines of programming language has matrix operations, such octave or r.


Comments

Post a Comment

Popular posts from this blog

java.util.scanner - How to read and add only numbers to array from a text file -

i'm learning java , have question regarding reading file want read numbers file contains strings well. here example of file: 66.56 "3 java 3-43 5-42 2.1 1 and here coding: public class test { public static void main (string [] args){ if (0 < args.length) { file x = new file(args[0]); try{ scanner in = new scanner( new fileinputstream(x)); arraylist<double> test = new arraylist<>(); while(in.hasnext()){ if(in.hasnextdouble()){ double f=in.nextdouble(); test.add(f);} else {in.next();} } catch(ioexception e) { system.err.println("exception during reading: " + e); } } my problem add 66.56,2.1 , 1 doesn't add 3 after "3 or ignores 3-43 , 5-42 can tell me how skip strings , add doubles here? thanks all said 3 ie; "3, 3-43 , 4-42 strings either u read string , split , check number @ " , - or put in space between characters , integers. jvm after compilation tre...
Read more

rewrite - Trouble with Wordpress multiple custom querystrings -

i'm working on adding multiple querystring , doesn't seem work. i've found codes seems work others might i'm missing something. i want like: http://mydomain.com/board/?getyear=2013&getsometext2=sometext to http://mydomain.com/board/2013/sometext/ i added code below functions.php file. doesn't seem work should though. this works. echoing querystring gets both variable without problem. http://mydomain.com/board/2013/sometext/ but doesn't. tested querystring vis isset() seems nothing being set/get http://mydomain.com/board/2013/ function add_query_vars($vars) { $vars[] = "getyear"; $vars[] = "getsometext2"; return $vars; } add_filter('query_vars', 'add_query_vars'); function add_rewrite_rules($arules) { $anewrules = array('board/([^/]+)/([^/]+)/?$' => 'index.php?pagename=board&getyear=$matches[1]&getsometext2=$matches[2]'); $arules = $a...
Read more