Re: eof arguments

[Ansley Manke <ansley.b.manke@xxxxxxxx>]

Hi Sudheer,
You must have an older version of the ef_eof_demo.jnl script.
When they were first released, the EOF functions had a third
argument, but they now just have two.  So you have the correct
functions but an older script.  The correct ef_eof_demo.jnl script is
included in recent Ferret releases.  It can also be found under
"On-Line Demonstrations" from the Ferret Documentation
web page.  Here is a link to the script ef_eof_demo.jnl script

http://ferret.pmel.noaa.gov/Ferret/Demos/ef_eof_demo/ef_eof_demo.html

Ansley Manke

Dr Sudheer Joseph wrote:

> Dear Users,
>                    Pasted below is a part  of the ef_eof_demo.jnl which says 
> there are 3 arguments to be passed to the external functions, but when we try 
> to pass the 3 arguments it results in the error message 
> below.
> Pease tell me why this is happening , if only 2 arguments are given ( 
> varaible, and a number) then it works,  but in this case there is no way to 
> know which one it has accepted , as whether it is 2 nd or 3rd
> argument.
>
> Thanks,
> sincerely
> Sudheer.
>
> LET estat = eof_stat(temp[k=1],2.0,.5)
> **ERROR: command syntax: eof_stat(temp[k=1],2.0,.5)
>          The eof_stat function has an incorrect number of arguments
>
> For all functions the arguments are as follows:
> !
> !   * 1st argument: Input data field, a function of x, y, and time; may be a
> !     function of z
> !   * 2nd argument: The minimum percent variance explained by the EOF's that
> !     are computed and scaled, e.g. to return EOFs that explain at least 2%
> !     variance, use 2.0
> !   * 3nd argument: The fraction of each time series that must be present to
> !     include it in the calculations, e.g. to use all time series that have
> !     at least half the data present, use 0.5
> !
>
>
>