[R] rcspline.plot query

[Frank Harrell]

Please see my previous note and please read the documentation.  Also note the
difference between a character string literal in quotes and the name of a
vector, which is usually not quoted.
Frank

Chalikias George wrote:
> 
> The actual dataframe that I have imported on R is
> 
>    Death   adp
> 1      0 58.00
> 2      1 18.70
> 3      0 21.75
> 4      1 25.35
> 5      0 20.55
> 6      1 28.05
> 7      0 50.15
> 8      1 31.25
> 9      1 32.75
> 10     1 28.95
> 11     1 15.10
> 12     0 45.05
> 13     1 19.95
> 14     0 32.95
> 15     0 22.60
> 16     0 10.75
> 17     0 41.80
> 18     0 27.05
> 19     1 26.25
> 20     0 34.40
> 21     1 24.65
> 22     1 42.30
> 23     0 19.80
> 24     0 47.20
> 25     1 25.90
> 26     1 30.70
> 27     1 28.60
> 28     1 25.80
> 29     0 27.05
> 30     0 14.40
> 31     0 28.40
> 32     0 48.45
> 33     0 17.85
> 34     1 30.85
> 35     1 24.75
> 36     0 16.20
> 37     0 34.10
> 38     0 12.00
> 39     0 24.40
> 40     0 69.50
> 41     1 36.45
> 42     0 41.55
> 43     1 17.80
> 44     0 40.10
> 45     1 21.35
> 46     1 22.90
> 47     0 63.80
> 48     1 45.80
> 49     0 70.65
> 50     0 54.00
> 51     0 26.90
> 52     0 50.75
> 53     0 28.20
> 54     1 23.25
> 55     1 18.10
> 56     0 29.20
> 57     1 52.80
> 58     0 46.60
> 59     1 32.55
> 60     0 74.50
> 
> The R command that I actually use is > rcspline.plot ("adp", "Death",
> model="logistic", nk=3, knots=NULL)
> 
> and the >rcspline.eval ("adp", nk=3, inclx=FALSE, knots.only=FALSE,
> type="ordinary")
> 
> For both the commands I receive the same message : " fewer than 6 non
> missing observations". 
> 
> George
> 


-----
Frank Harrell
Department of Biostatistics, Vanderbilt University
--
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