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Return BasicStats structure?

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T O P I C R E V I E W
Mike Buess	Posted - 04/10/2003 : 2:20:10 PM Dataset dd; --set up dd-- BasicStats bsStats; Data_sum(&dd, &bsStats); Currently I pass individual bsStats values back to LabTalk like this... LT_set_var("v1", bsStats.N); LT_set_var("v2", bsStats.total); --etc.-- That works fine, but I'd rather return the entire bsStats structure and access its values in LabTalk like this... v1 = something.N; v2 = something.total; Is that possible? Mike Buess Origin WebRing Member
3 L A T E S T R E P L I E S (Newest First)
easwar	Posted - 04/12/2003 : 9:16:05 PM Hi Mike, Currently there is no support for passing a structure between OC and LabTalk. So you will need to set LT variable values like you are doing now. However, specifically for basic stats, you could have a function such as below to execute the sum command in LT so that the stats are readily available in LT once this function is called. void OC_sum(Dataset& dd) { string strCMD = "sum(" + dd.GetName() + ");"; LT_execute(strCMD); } Easwar OriginLab. Edited by - easwar on 04/12/2003 9:40:48 PM Edited by - easwar on 04/12/2003 9:41:46 PM
Mike Buess	Posted - 04/12/2003 : 12:57:10 PM Hi Ricardo, I don't think Dataset::Update will do it. Data_sum(&dd,&bsStats) gets the basic statistics for Dataset dd and returns them in the bsStats structure... bsStats.N // number of values bsStats.total // sum bsStats.mean // mean -etc.- I just want to access those statistics from LabTalk as is done with the LabTalk sum(dataset) command. So my basic question is this... can an Origin C command return a structure to LabTalk. If so, how is it done? The following function compiles OK... BasicStats OC_sum() { Dataset dd; --set up dd-- BasicStats bsStats; Data_sum(&dd, &bsStats); return &bsStats; } ...but I don't know how (or if) it can be used in LabTalk. Mike Buess Origin WebRing Member
srmcarneir	Posted - 04/11/2003 : 1:44:59 PM Hi Mike, Would it be enough for you if you tried the Dataset::Update method? In the help files we can find a description showing that it "Update the Dataset object to or from the origin worksheet column", once your OriginC dataset is associated to an Origin worksheet. Regards. Ricardo Carneiro

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