| PlotErrors {sigFeature} | R Documentation |
A useful function for plotting the errors which is enumerated by using the function sigCVError().
PlotErrors(featsweepSigFe, ylim.min=0, ylim.max=0)
featsweepSigFe |
a list variable containing the gamma, cost, error, dispersion values.
The format is:
List of 1
...
$ :List of 3
..$ svm.list:List of 1
.. ..$ :data.frame: 1 obs. of 4 variables:
.. .. ..$ gamma : num 0.000244
.. .. ..$ cost : num 0.001
.. .. ..$ error : num 0.5
.. .. ..$ dispersion: num NA
..$ error : num 0.367
..$ errorSD : num 0.233
|
ylim.min |
minimum y label value in the graph. |
ylim.max |
maximum y label value in the graph. |
This plot function will show the errors.
returns plot.
Pijush Das <topijush@gmail.com>, et al.
Chang, Chih-Chung and Lin, Chih-Jen: LIBSVM 2.0: Solving Different Support Vector Formulations. http://www.csie.ntu.edu.tw/~cjlin/papers/libsvm2.ps.gz
Chang, Chih-Chung and Lin, Chih-Jen:Libsvm: Introduction and Benchmarks, http://www.csie.ntu.edu.tw/~cjlin/papers/q2.ps.gz
svm, svm.fs
# Example for PlotErrors() # Data set taken from GSE2280 data(featsweepSigFe) dim(featsweepSigFe) #For plotting the mean external cross validation #error and the standard deviation of the of the #miss classifications of top 400 features. PlotErrors(featsweepSigFe, 0, 0.4)