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// count.cpp
/*===========================================================================
*
* PUBLIC DOMAIN NOTICE
* National Center for Biotechnology Information
*
* This software/database is a "United States Government Work" under the
* terms of the United States Copyright Act. It was written as part of
* the author's official duties as a United States Government employee and
* thus cannot be copyrighted. This software/database is freely available
* to the public for use. The National Library of Medicine and the U.S.
* Government have not placed any restriction on its use or reproduction.
*
* Although all reasonable efforts have been taken to ensure the accuracy
* and reliability of the software and data, the NLM and the U.S.
* Government do not and cannot warrant the performance or results that
* may be obtained by using this software or data. The NLM and the U.S.
* Government disclaim all warranties, express or implied, including
* warranties of performance, merchantability or fitness for any particular
* purpose.
*
* Please cite the author in any work or product based on this material.
*
* ===========================================================================
*
* Author: Vyacheslav Brover
*
* File Description:
* Print statistics of a list of numbers
*
*/
#undef NDEBUG
#include "common.hpp"
#include "numeric.hpp"
using namespace Common_sp;
#include "version.inc"
#include "common.inc"
namespace
{
streamsize precision = 0;
void report (const string &attr,
Real value)
{
const ONumber on (cout, isInteger (value) ? 0 : precision, false);
cout << attr << '\t' << value << '\n';
}
struct ThisApplication : Application
{
ThisApplication ()
: Application ("Statistics of a sequence of numbers from cin", false)
{
version = VERSION;
addKey ("decimals", "Number of decimals", "2");
}
void body () const final
{
precision = str2<streamsize> (getArg ("decimals"));
MeanVar mv;
size_t missing = 0;
string s;
while (cin >> s)
if (strNull (s))
missing++;
else
{
const Real x = str2real (s);
if (isNan (x))
missing++;
else
mv << x;
}
report ("count", mv. n);
report ("mean", mv. getMean ());
report ("var", mv. getVar ());
report ("SD", mv. getSD ());
report ("sum", mv. s);
report ("meanSD", mv. getSD () / sqrt (mv. n));
report ("min", mv. v_min);
report ("max", mv. v_max);
report ("missing", (Real) missing);
}
};
} // namespace
int main (int argc,
const char* argv[])
{
ThisApplication app;
return app. run (argc, argv);
}