Can't get AddObservation to work, or plague of the Type Mismatch

Thu Mar 10 17:08:16 UTC 2011

woops, so close-

The last bit where I dump the variables into an attribute is giving an
overflow error. Any ideas?
On Mar 9, 2011 5:39 PM, "Michiel Spape" <Michiel.Spape at nottingham.ac.uk>
wrote:
> Hiya,
> Well, let's see how far you'll get :) I thought I might add that I
generally have two global variables (i.e. declared in the User tab), one
being TrialNum, which just adds one up to the trial, and one TrialsCorrect.
> So, every trial, I tend to have an inline with the following:
> TrialNum = TrialNum + 1 'just so that number of trials is counted, also
useful if you want to present a break
> TrialsCorrect = TrialsCorrect + myStimulus.ACC 'which saves one IF/THEN
object.
>
> Visual basic tends to be a bit tricky in terms of variables being
converted on the spot, whether you like it or not, but if you just want to
know the percentage, the following tends to work pretty well:
> TrialNum = 30 'just as an example, 30 trials done so far
> TrialsCorrect = 10 'just as an example, 10 trials correct
> Debug.print cint(cstr(trialscorrect / numtrials / 0.01)) "% correct"
> This returns "33% correct" (in the output).
>
> So, if you would just dump that into a new attribute (don't add it to the
list, it confuses things sometimes):
> c.SetAttrib "thismuch", cint(cstr(trialscorrect / numtrials / 0.01))
>
> and have a slide, saying "You had [thismuch]% correct", you're basically
there (just tested it). Not to say you can't do the same with summation
objects, but the above, taking out my debug, takes only 3 lines of code
(excluding 2 lines of user script variable declarations).
> Cheers,
> Mich
>
>
>
> Michiel Spapé
> Research Fellow
> Perception & Action group
> University of Nottingham
> School of Psychology
> www.cognitology.eu
>
>
> -----Original Message-----
> From: e-prime at googlegroups.com [mailto:e-prime at googlegroups.com] On Behalf
Of Micah
> Sent: 09 March 2011 16:06
> To: E-Prime
> Subject: Re: Can't get AddObservation to work, or plague of the Type
Mismatch
>
> Hi Michiel,
>
> Thanks for the useful reply! Ogperf and ogaware are actually list
> objects, and the related code is designed to log stops and successful
> error reports. So the first bit of code should be resolving to either
> a '1' or a '0' for either accurate/inaccurate stop or correct error
> report/missed error report. That being said I see your point with the
> need to simplify and had wondered if I could get by without the
> summation object. My worry is that, sense the accuracy data is not
> generated directly by the list or procedure, I need this summation
> object to collect data from the ogperf ogaware inline. The last bit
> ( c.SetAttrib "errorawareness",
> Format((errorawareness.Mean),"Percent")) is supposed to then format
> the summation object for placement in the end of block report
> ("Congratulations, you successfully inhibited on [stopaccuracy] of
> trials and reported your errors [erroraware] of the time").
>
> Will try to wrap my head around how to do this without the summation-
> appreciate your help!
>
>
>
> On Mar 9, 4:55 pm, Michiel Spape <Michiel.Sp... at nottingham.ac.uk>
> wrote:
>> Hiya,
>> Ugh, lots of code. Forgive me, like many coding people, I tend to be lazy
and simply won't read long threads. I've never had any use for this
"summation object" deal, but your code is really quite confusing:
>>
>> > > dim stopaccuracy as Summation
>> > > dim erroraware as Summation
>> > > c.SetAttrib "stopaccuracy", Format((stopaccuracy.Mean),"Percent")
>> > > c.SetAttrib "errorawareness", Format((errorawareness.Mean),"Percent")
>> > > stopaccuracy.AddObservation c.GetAttrib("ogperf")
>> > > errorawareness.AddObservation c.GetAttrib("ogaware")
>>
>> What exactly are you doing here? Stopaccuracy is both a "summation" and
an "attribute in a list". Errorwareness is only semi-overlapping with this
attribute, although I see no reason why you would want this. Ogperf is not
even an attribute but a local variable. If you have declared it somewhere,
it probably looks into a list anyway, finds a question mark, tries to put
this into stopaccuracy. Thus, what you get is StopAccuracy.AddObservation ?,
or, dbl(?), which doesn't work either.
>>
>> If you want to find out what's going on with the mismatch (one of the
more simpler things to solve):>stopaccuracy.AddObservation
c.GetAttrib("ogperf")
>>
>> Then try change this into:
>> stopaccuracy.AddObservation 0
>> if the latter works but the former doesn't, then c.GetAttrib("ogperf")
probably receives a string instead, or, in other words, Ben would be right.
See what ogperf is by doing "debug.print c.GetAttrib("ogperf"). So, try
beginning simple with working code, then add - rather than the opposite.
>>
>> So, start with as clean and working code as possible. My suggestion would
be to start with getting rid of the summation stuff (after all, what more is
stopaccuracy.mean then merely numberofstopaccuratetrials / numberoftrials?)
and the c.getattrib/set stuff until you can get everything working on one
level.
>> Cheers,
>> Mich
>>
>> Michiel Spapé
>> Research Fellow
>> Perception & Action group
>> University of Nottingham
>> School of Psychologywww.cognitology.eu
>>
>>
>>
>>
>>
>>
>>
>> -----Original Message-----From:e-prime at googlegroups.com[mailto:
e-prime at googlegroups.com]On Behalf Of Micah
>> Sent: 09 March 2011 15:19
>> To: E-Prime
>> Subject: Re: Can't get AddObservation to work, or plague of the Type
Mismatch
>>
>> Hi Ben,
>>
>> Sincere thanks for your suggestion. Helped me to feel like I'm getting
>> somewhere in my understanding of E-basic, as I had the same idea.
>> Sadly neither CInt or CDbl used in that way change the error. I also
>> tried declaring erroraware and stopaccuracy as doubles, and tried
>> converting them into new variables that would be numbers. I'm not sure
>> I did that correctly however.
>>
>> Thanks for your help- i'll be really excited if we can solve this.
>>
>> On Mar 9, 3:17 pm, ben robinson <baltimore.... at gmail.com> wrote:
>> > try changing them to:
>> > stopaccuracy.AddObservation CInt(c.GetAttrib("ogperf"))
>> > errorawareness.AddObservation CInt(c.GetAttrib("ogaware"))
>>
>> > or CDbl(...) if CInt(...) isn't what you need.
>> > i think the problem might be that when you c.GetAttrib the value it
pulls
>> > from the list is understood as a string, rather than some sort of
number...
>>
>> > On Wed, Mar 9, 2011 at 8:34 AM, Micah <ucfmi... at gmail.com> wrote:
>> > > Hello,
>>
>> > > This is probably a very easy to solve problem, but it's just about
>> > > beaten me down. I am trying to make a training script for my error-
>> > > awareness paradigm that can log inhibition and error-awareness
>> > > performance and then report these to the subject at the end of the
>> > > trial. The task is very simple and works fine, as does the
performance
>> > > logging. I can't seem to get my summation object to work though-
>> > > everytime it gives me a 'type mismatch'. I've tried creating a
>> > > variable from the logging vars in a double format but that does not
>> > > fix it. Can someone take a look at my code and see what's up?
>>
>> > > I start with the following setup inline and usertab code:
>> > > 'setup inline
>> > > set stopaccuracy = New Summation
>> > > set erroraware = New Summation
>>
>> > > 'usertab
>> > > dim killme as integer
>> > > dim stopaccuracy as Summation
>> > > dim erroraware as Summation
>> > > dim ogperf as double
>> > > dim ogaware as double
>>
>> > > My inline that logs awareness and performance, and (is supposed to)
>> > > fill the summation object with these information for reporting to the
>> > > subject, looks like this:
>>
>> > > If c.GetAttrib("trialtype") = "lure" then
>> > >        if TextDisplay1.RT = 0 then
>> > >                c.SetAttrib "ogperf", 1
>> > >        else
>> > >                c.SetAttrib "ogperf", 0
>> > >        end if
>> > > end if
>>
>> > > if c.GetAttrib("awaretrial") = "1" and killme = 1 then
>> > >        if TextDisplay1.RESP = "2" then
>> > >                c.SetAttrib "ogaware", 0
>> > >        else
>> > >                c.SetAttrib "ogaware", 1
>> > >        end if
>> > > end if
>>
>> > > if c.GetAttrib("ogperf") = "0" then
>> > >        killme = 1
>> > > else
>> > >        killme = 0
>> > > end if
>>
>> > > stopaccuracy.AddObservation c.GetAttrib("ogperf")
>> > > errorawareness.AddObservation c.GetAttrib("ogaware")
>>
>> > > Debug.Print stopaccuracy.Mean
>> > > Debug.Print erroraware.Mean
>>
>> > > c.SetAttrib "stopaccuracy", Format((stopaccuracy.Mean),"Percent")
>> > > c.SetAttrib "errorawareness", Format((errorawareness.Mean),"Percent")
>>
>> > > It's these lines that give me the type mismatch:
>> > > stopaccuracy.AddObservation c.GetAttrib("ogperf")
>> > > errorawareness.AddObservation c.GetAttrib("ogaware")
>>
>> > > Link to script:http://bit.ly/hKCcmo
>>
>> > > Best,
>> > > Micah
>>
>> > > --
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