::Free Statistics and Forecasting Software::

v1.2.1

 

:: Bivariate Kernel Density Estimation - Free Statistics Software (Calculator) ::

All rights reserved. The non-commercial (academic) use of this software is free of charge. The only thing that is asked in return is to cite this software when results are used in publications.

This free online software (calculator) computes the Bivariate Kernel Density Estimates as proposed by Aykroyd et al (2002). The resolution of the image that is generated is determined by xgridsize and ygridsize (the maximum value is 500 for both axes). You may opt to have the contour lines and datapoints plotted. The regression line is always displayed.

Enter (or paste) your data delimited by hard returns.

Send output to:
Data X (click to load default data)
 
Data Y:
 
Sample Range:
(leave blank to include all observations)
From:
To:
xgridsize 
ygridsize 
xbandwidth
(zero to use default)
 
ybandwidth
(zero to use default)
 
correlation
(zero to use actual correlation)
 
display contours
(Y/N)
 
display data points
(Y/N)
 
colors 
Chart options
Width:
Height:
Title:
Label y-axis:
Label x-axis:



Source code of R module
Top | Output | Charts | References



Cite this software as:
Wessa P. (2017), Bivariate Kernel Density Estimation (v1.0.11) in Free Statistics Software (v1.2.1), Office for Research Development and Education, URL http://www.wessa.net/Ian.Holliday/rwasp_bidensity.wasp/
The R code is based on :
Lucy, D. Aykroyd, R.G. & Pollard, A.M.(2002) Non-parametric calibration for age estimation.Applied Statistics 51(2): 183-196
Top | Output | Charts | References

To cite Wessa.net in publications use:
Wessa, P. (2017), Free Statistics Software, Office for Research Development and Education,
version 1.2.1, URL https://www.wessa.net/

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Software Version : 1.2.1
Algorithms & Software : Patrick Wessa, PhD
Server : wessa.net

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