Dear R Users,

    I am working for the United Nations to construct a complete life table 
from an abridged table. 
    I want to use the code of Hydman Filter by Rob J Hydman but an error 
sentence always appears and it simply doesn't run--
       source("C:/R/Jamie/HymanFilter.R")
       Error in .C("spline_coef", method = as.integer(method), n = nx, x = 
x,  : C symbol name "spline_coef" not in DLL for package "base"
 
    Can you please tell me what's the problem?

     I appreciate your help so much!

Sincerely,
   Jamie

Jamie Zuo

Tel: 1-917-367-8000
Cell: 1-917-226-7531
Email: zjmgyx@hotmail.com
MSN: zjmgyx@hotmail.com
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