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Description of Statistical Computation

Author's title

Author*The author of this computation has been verified*
R Software ModuleRscript (source code is shown below)
Title produced by softwareR console
Date of computationTue, 26 May 2009 14:35:08 -0600
Cite this page as followsStatistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?v=date/2009/May/26/t12433701092aowbd6g2q56286.htm/, Retrieved Sat, 04 May 2024 14:33:48 +0000
Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?pk=40399, Retrieved Sat, 04 May 2024 14:33:48 +0000
QR Codes:

Original text written by user:
IsPrivate?No (this computation is public)
User-defined keywords
Estimated Impact180

Tree of Dependent Computations

Family? (F = Feedback message, R = changed R code, M = changed R Module, P = changed Parameters, D = changed Data)
-       [R console] [spline functions] [2009-05-26 20:35:08] [21232f297a57a5a743894a0e4a801fc3] [Current]
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Dataset

Dataseries X:
Download CSV
Histogram
Boxplots 
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Dataseries Y:
Download CSV
Histogram 
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Tables (Output of Computation)

> title = 'smoothing splines'

> color_of_default = 'blue'

> {
+     library(pspline)
+     plot(RCx, RCy, main = title)
+     cars.spl <- sm.spline(RCx, RCy)
+     print(cars.spl)
+     lines(cars.spl, col =  .... [TRUNCATED] 
Call:
smooth.Pspline(x = ux, y = tmp[, 1], w = tmp[, 2], method = method)

Smoothing Parameter (Spar): 84.53788 
Equivalent Degrees of Freedom (Df): 2.227457 
GCV Criterion: 0.870635 
CV  Criterion: 0.8706558

Figures (Output of Computation)

Input Parameters & R Code

Parameters (Session):
par1 = smoothingsplines ; par2 = blue ;
Parameters (R input):
R code (body of R function):
{
    library(pspline)
    
    plot(x, y, main = par1)
    cars.spl <- sm.spline(x, y)
    print(cars.spl)
    lines(cars.spl, col = par2)
    lines(sm.spline(x, y, df = 10), lty = 2, col = "red")
    
}