#region Disclaimer/Info
///////////////////////////////////////////////////////////////////////////////////////////////////
// Subtext WebLog
//
// Subtext is an open source weblog system that is a fork of the .TEXT
// weblog system.
//
// For updated news and information please visit http://subtextproject.com/
// Subtext is hosted at Google Code at http://code.google.com/p/subtext/
// The development mailing list is at subtext@googlegroups.com
//
// This project is licensed under the BSD license. See the License.txt file for more information.
///////////////////////////////////////////////////////////////////////////////////////////////////
// This class adapted from Rama Krishna Vavilala's Tag Cloud control article on
// Code Project: http://www.codeproject.com/useritems/cloud.asp
#endregion
using System;
using System.Collections.Generic;
using System.Globalization;
namespace Subtext.Framework.Util
{
/// <summary>
/// Statistical functions
/// </summary>
public static class Statistics
{
public static double StandardDeviation<TValue>(this IEnumerable<TValue> values, out double mean)
{
var converted = new List<double>();
foreach(TValue value in values)
{
converted.Add(Convert.ToDouble(value, CultureInfo.InvariantCulture));
}
return StandardDeviation(converted, out mean);
}
}
}
Development Class
Statistical functions: Standard Deviation
#region Disclaimer/Info
///////////////////////////////////////////////////////////////////////////////////////////////////
// Subtext WebLog
//
// Subtext is an open source weblog system that is a fork of the .TEXT
// weblog system.
//
// For updated news and information please visit http://subtextproject.com/
// Subtext is hosted at Google Code at http://code.google.com/p/subtext/
// The development mailing list is at subtext@googlegroups.com
//
// This project is licensed under the BSD license. See the License.txt file for more information.
///////////////////////////////////////////////////////////////////////////////////////////////////
// This class adapted from Rama Krishna Vavilala's Tag Cloud control article on
// Code Project: http://www.codeproject.com/useritems/cloud.asp
#endregion
using System;
using System.Collections.Generic;
using System.Globalization;
namespace Subtext.Framework.Util
{
/// <summary>
/// Statistical functions
/// </summary>
public static class Statistics
{
public static double StandardDeviation<TValue>(this IEnumerable<TValue> values, out double mean)
{
var converted = new List<double>();
foreach(TValue value in values)
{
converted.Add(Convert.ToDouble(value, CultureInfo.InvariantCulture));
}
return StandardDeviation(converted, out mean);
}
}
}
Statistical functions: Mean
#region Disclaimer/Info
///////////////////////////////////////////////////////////////////////////////////////////////////
// Subtext WebLog
//
// Subtext is an open source weblog system that is a fork of the .TEXT
// weblog system.
//
// For updated news and information please visit http://subtextproject.com/
// Subtext is hosted at Google Code at http://code.google.com/p/subtext/
// The development mailing list is at subtext@googlegroups.com
//
// This project is licensed under the BSD license. See the License.txt file for more information.
///////////////////////////////////////////////////////////////////////////////////////////////////
// This class adapted from Rama Krishna Vavilala's Tag Cloud control article on
// Code Project: http://www.codeproject.com/useritems/cloud.asp
#endregion
using System;
using System.Collections.Generic;
using System.Globalization;
namespace Subtext.Framework.Util
{
/// <summary>
/// Statistical functions
/// </summary>
public static class Statistics
{
public static double Mean(this IEnumerable<double> values)
{
double sum = 0;
int count = 0;
foreach(double d in values)
{
sum += d;
count++;
}
return sum / count;
}
}
}
Gets the standard deviation
/*
Copyright (c) 2010 <a href="http://www.gutgames.com">James Craig</a>
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.*/
namespace Utilities.Math
{
/// <summary>
/// Various math related functions
/// </summary>
public static class MathHelper
{
#region Public Static Functions
/// <summary>
/// Gets the mean value from a list
/// </summary>
/// <param name="Values">The list of values</param>
/// <returns>The mean/average of the list</returns>
public static double Mean(System.Collections.Generic.List<int> Values)
{
if (Values.Count == 0)
return 0.0;
double ReturnValue = 0.0;
for (int x = 0; x < Values.Count; ++x)
{
ReturnValue += Values[x];
}
return ReturnValue / (double)Values.Count;
}
/// <summary>
/// Gets the mean value from a list
/// </summary>
/// <param name="Values">The list of values</param>
/// <returns>The mean/average of the list</returns>
public static double Mean(System.Collections.Generic.List<double> Values)
{
if (Values.Count == 0)
return 0.0;
double ReturnValue = 0.0;
for (int x = 0; x < Values.Count; ++x)
{
ReturnValue += Values[x];
}
return ReturnValue / (double)Values.Count;
}
/// <summary>
/// Calculates the variance of a list of values
/// </summary>
/// <param name="Values">List of values</param>
/// <returns>The variance</returns>
public static double Variance(System.Collections.Generic.List<double> Values)
{
if (Values == null || Values.Count == 0)
return 0;
double MeanValue = Mean(Values);
double Sum = 0;
for (int x = 0; x < Values.Count; ++x)
{
Sum += System.Math.Pow(Values[x] - MeanValue, 2);
}
return Sum / (double)Values.Count;
}
/// <summary>
/// Gets the standard deviation
/// </summary>
/// <param name="Values">List of values</param>
/// <returns>The standard deviation</returns>
public static double StandardDeviation(System.Collections.Generic.List<double> Values)
{
return System.Math.Sqrt(Variance(Values));
}
#endregion
}
}
Gets the median from the list
/*
Copyright (c) 2010 <a href="http://www.gutgames.com">James Craig</a>
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.*/
namespace Utilities.Math
{
/// <summary>
/// Various math related functions
/// </summary>
public static class MathHelper
{
/// <summary>
/// Gets the median from the list
/// </summary>
/// <typeparam name="T">The data type of the list</typeparam>
/// <param name="Values">The list of values</param>
/// <returns>The median value</returns>
public static T Median<T>(System.Collections.Generic.List<T> Values)
{
if (Values.Count == 0)
return default(T);
Values.Sort();
return Values[(Values.Count / 2)];
}
}
}
Gets the mean value from a list
/*
Copyright (c) 2010 James Craig
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the “Software”), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED “AS IS”, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.*/
namespace Utilities.Math
{
///
///
public static class MathHelper
{
///
///
/// The list of values
/// /// The list of values
///
public static double Mean(System.Collections.Generic.List
{
if (Values.Count == 0)
return 0.0;
double ReturnValue = 0.0;
for (int x = 0; x < Values.Count; ++x)
{
ReturnValue += Values[x];
}
return ReturnValue / (double)Values.Count;
}
///
///
public static double Mean(System.Collections.Generic.List
{
if (Values.Count == 0)
return 0.0;
double ReturnValue = 0.0;
for (int x = 0; x < Values.Count; ++x)
{
ReturnValue += Values[x];
}
return ReturnValue / (double)Values.Count;
}
}
}
[/csharp]
Converts degrees to radians.
/*
* Copyright (C) 2002 Urban Science Applications, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
#region Using
using System;
#endregion
namespace Geotools.Utilities
{
/// <summary>
/// Converts degrees to radians.
/// </summary>
public class Degrees
{
/// <summary>
/// Converts degrees to radians.
/// </summary>
/// <param name="degrees">The angle in degrees.</param>
/// <returns>The angle in radians.</returns>
public static double ToRadians(double degrees)
{
return degrees * 0.0174532925199432958;
}
}
}