| /* |
| |
| Copyright (C) 1997,1998,1999,2000,2001 Franz Josef Och |
| |
| mkcls - a program for making word classes . |
| |
| This program is free software; you can redistribute it and/or |
| modify it under the terms of the GNU General Public License |
| as published by the Free Software Foundation; either version 2 |
| of the License, or (at your option) any later version. |
| |
| This program is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| GNU General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with this program; if not, write to the Free Software |
| Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, |
| USA. |
| |
| */ |
| |
| |
| |
| #ifndef STATVAR_H |
| #define STATVAR_H |
| |
| #include <stdlib.h> |
| #include <iostream> |
| #include "Array.h" |
| #include "mystl.h" |
| #include "myleda.h" |
| #include <cmath> |
| |
| |
| extern double compareStatVarQuantil; |
| int compareStatVar(const void *p,const void *j); |
| |
| class StatV |
| |
| { |
| protected: |
| int n; |
| double sum; |
| double squareSum; |
| double smallest,biggest; |
| |
| public: |
| const char *title; |
| StatV() : n(0),sum(0),squareSum(0),smallest(1e100),biggest(-1e100),title("") {} |
| virtual ~StatV(); |
| |
| |
| virtual void addValue(double a) |
| { |
| n++; |
| sum+=a; |
| squareSum+=a*a; |
| if(smallest>a) |
| smallest=a; |
| if(biggest<a) |
| biggest=a; |
| |
| } |
| |
| |
| double getMean() |
| { return sum/n; } |
| |
| |
| double getSigma() |
| { |
| if(squareSum/n - getMean()*getMean()<=0) |
| return 0.0; |
| else |
| return sqrt(squareSum/n - getMean()*getMean()); |
| } |
| |
| |
| |
| double getBiggest() |
| { return biggest; } |
| |
| |
| double getSmallest() |
| { return smallest; } |
| |
| |
| int getNum() |
| { return n; } |
| |
| |
| void dumpOn(ostream &strm); |
| |
| |
| }; |
| |
| class StatVar : public StatV |
| { |
| private: |
| Array<double> values; |
| short sortedFlag; |
| public: |
| StatVar() |
| : values(10,0.0,1),sortedFlag(0) {} |
| virtual ~StatVar(){} |
| double quantil(double percent=0.5); |
| |
| |
| inline double value(int i) |
| {return values[i];} |
| |
| |
| void printValues(ostream &strm); |
| |
| |
| virtual void addValue(double a) |
| { |
| sortedFlag=0; |
| values[n]=a; |
| StatV::addValue(a); |
| } |
| |
| double getSigmaSmaller(); |
| |
| |
| double getSigmaBigger(); |
| |
| |
| }; |
| |
| |
| #endif |