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Stacking Columns in ScriptI have a couple of questions about stacking data columns in a script. When I do it manually, I get the following script from JMP:

Data Table( "Untitled 11" ) << Stack(
columns(
:Name( "EFL 20508-17DT_CG_100ms" ),
:Name( "FFL 20508-17DT_CG_100ms" ),
:Name( "EFL 20508-18DT_CG_100ms" ),
:Name( "FFL 20508-18DT_CG_100ms" ),
:Name( "EFL 20508-19DT_NOCG_2" ),
:Name( "FFL 20508-19DT_NOCG_2" )
),
Source Label Column( "Label" ),
Stacked Data Column( "Data" ),
Number of Series( 2 )
)

In my script, I have a list variable (MyList1) containing the column names, and I would like to stack those columns using "Multiple Series Stack" to create a new table. Also, for "Number of Series" I would like to include NItems(MyList2). Can someone help me with the syntax?

I think this should work:

StackDT = SplitDT << Stack( Columns( MyList1 ),
Source Label Column( "Source" ),
Stacked Data Column( "Data" ),
Number of Series( NItems( MyList2 ) )
)
);

but it gives me "Column not found in access or evaluation of 'Bad Argument' " in the log.Re: Stacking Columns in ScriptI think

Columns(eval(MyList1))

should work.

You might want to call tech support and report it as a bug, or suggestion.Re: Stacking Columns in ScriptYes. Evaluating the list does make it work. The list used for "Number of Series" also has to be evaluated.

Thanks for the reply.Re: Stacking Columns in ScriptI have a related question about stacking columns. I have been given an Excel spreadsheet that I need to turn into something useful. The spreadsheet looks like this:




style="font-family: Courier New; font-weight: bold; text-decoration: underline;">IDNo  Ctry 
Sub  Sub
Date  Ctry  Sub  Sub
Date  Ctry  Sub  Sub Date

style="font-family: Courier New;">
a123  US  
 N              Can  
Y    4/1/2010  Braz 
Y    3/15/2009

style="font-family: Courier New;">
b567  US 
 
Y    5/1/2009  Can  
N             
Braz  N

style="font-family: Courier New;">
c392  US
  
Y    6/1/2008  Can  
Y    3/2/2001  Braz 
Y    12/15/2008

etc.



I need to stack the results so they look like this:




style="font-family: Courier New; font-weight: bold; text-decoration: underline;">IDNo 
Ctry  Sub  Sub Date

style="font-family: Courier New;">
a123 
US    N

style="font-family: Courier New;">
b567 
US    Y   
5/1/2009

style="font-family: Courier New;">
c392 
US    Y   
6/1/2008

style="font-family: Courier New;">
a123 
Can  
Y    4/1/2010

style="font-family: Courier New;">
b567 
Can   N

style="font-family: Courier New;">
c392 
Can  
Y    3/2/2001

style="font-family: Courier New;">
a123 
Braz  Y    3-15-2009

style="font-family: Courier New;">
b567 
Braz  N

style="font-family: Courier New;">
c392 
Braz  Y    12/15/2008




In the real table there are about 20 countries going across. Is this something that the STACK command can handle? I.e. instead of just stacking one column, I need to stack three columns at once.

Thanks,
PeterRe: Stacking Columns in ScriptYes. Look up Multiple Series Stack in the docs. There seems to be a minor bug which results in stacked date columns in multiple series stacking not being formatted as dates so you'll have to apply that format after stacking. Single column stacking of dates does maintain date format. You will also have to clean up some extra columns that result from the stacking.Re: Stacking Columns in ScriptThanks that worked perfectly! This will save us a tremendous amount of time.Re: Stacking Columns in Script<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />

please note that in JMP9 if you fail to generate correctly the list it will crash totally

for example this wil do:

listaNDD = {"5932_NDD","6038_NDD"};

def5932_NDD = {"chips","bubbles"};

def6038_NDD = {"big on top","small on top"};

for(i=1, i<(NItems(listaNDD)+1), i++,

    a=listaNDD;

    c=Concat(a,"_stacked");

    d=Concat("def",a);

    Open( Concat(a,".jmp"), invisible );

    Open( b, invisible );

Data Table( a ) << Stack(

    columns((d)),

    Source Label Column( "class" ),

    Stacked Data Column( "density" ),

    Name( "Non-stacked columns" )(Keep(    :Split,    :Lot ID, :WID)),

    Output Table( c )

    );

);

because d it's not the list but a variable containing the name of the list ...

Re: Stacking Columns in ScriptMaybe I can append a further question:

I want to stack several columns, column wise. This is easy going the menu way - simply by unchecking 'Stack by Row'. But I have not found an equivalent option on the stack scripting command.

Is it intended to go the cumbersome way to first create a transposed intermediate table, and then applying the stacking on that one?

Regards,
esaRe: Stacking Columns in ScriptYou simply add "Stack By Row(0)" to your Stack message. Here's an example:

<--
Data Table( "Solubility" ) << Stack(
columns(
:Name( "1-Octanol" ),
:Ether,
:Chloroform,
:Benzene,
:Carbon Tetrachloride,
:Hexane
),
Source Label Column( "Label" ),
Stacked Data Column( "Data" ),
Stack By Row( 0 )
)
-->