PLearn 0.1
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00001 // -*- C++ -*- 00002 00003 // VMat_computeStats.cc 00004 // 00005 // Copyright (C) 2004 Pascal Vincent 00006 // 00007 // Redistribution and use in source and binary forms, with or without 00008 // modification, are permitted provided that the following conditions are met: 00009 // 00010 // 1. Redistributions of source code must retain the above copyright 00011 // notice, this list of conditions and the following disclaimer. 00012 // 00013 // 2. Redistributions in binary form must reproduce the above copyright 00014 // notice, this list of conditions and the following disclaimer in the 00015 // documentation and/or other materials provided with the distribution. 00016 // 00017 // 3. The name of the authors may not be used to endorse or promote 00018 // products derived from this software without specific prior written 00019 // permission. 00020 // 00021 // THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR 00022 // IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 00023 // OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN 00024 // NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 00025 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED 00026 // TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 00027 // PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 00028 // LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 00029 // NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 00030 // SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 00031 // 00032 // This file is part of the PLearn library. For more information on the PLearn 00033 // library, go to the PLearn Web site at www.plearn.org 00034 00035 /* ******************************************************* 00036 * $Id: VMat_computeStats.cc 10247 2009-06-09 17:57:15Z nouiz $ 00037 ******************************************************* */ 00038 00039 // Authors: Pascal Vincent 00040 00044 #include <plearn/base/Object.h> 00045 #include "VMat_computeStats.h" 00046 #include <plearn/vmat/VMat.h> 00047 #include <plearn/math/StatsCollector.h> 00048 00049 namespace PLearn { 00050 using namespace std; 00051 00052 TVec<StatsCollector> computeStats(VMat m, int maxnvalues, bool report_progress) 00053 { 00054 int w = m.width(); 00055 int l = m.length(); 00056 PLCHECK(w>=0); 00057 TVec<StatsCollector> stats(w, StatsCollector(maxnvalues)); 00058 Vec v(w); 00059 PP<ProgressBar> pbar; 00060 if (report_progress) 00061 pbar = new ProgressBar("Computing statistics", l); 00062 for(int i=0; i<l; i++) 00063 { 00064 m->getRow(i,v); 00065 for(int j=0; j<w; j++) 00066 stats[j].update(v[j]); 00067 if (report_progress) 00068 pbar->update(i); 00069 } 00070 return stats; 00071 } 00072 00073 00074 } // end of namespace PLearn 00075 00076 00077 /* 00078 Local Variables: 00079 mode:c++ 00080 c-basic-offset:4 00081 c-file-style:"stroustrup" 00082 c-file-offsets:((innamespace . 0)(inline-open . 0)) 00083 indent-tabs-mode:nil 00084 fill-column:79 00085 End: 00086 */ 00087 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=79 :