Participant in all rounds

[FRANCESCA FEDERICO]

Hi everybody,

Is it possible that player.in_all_rounds() does not return the objects of the current participant if I shuffle players between groups each round? 

In my experiment I reshuffle players each round (subsession.group_randomly(fixed_id_in_group = False)).  At the end of the game, I have a table where I show all participant's previous round data using player.in_all_rounds() and group.in_all_rounds(), but these lists do not match with participant data (the only correct data are the ones of the last round). 

I've tried to use participant.vars,  but then I just see the sum of all variables stored, not the list of all items. I've also tried using participants.in_all_rounds but it doesn't work. 

Is there any way to show all participant past decisions in a list, as when I use "for p in player.in_all_rounds" or  "for g in group.in_all_rounds"?

Thank you!

Francesca

[Chris @ oTree]

Can you show your code and some output like a screenshot or print statements that demonstrates this incorrect behavior?

Sent from my phone

On Apr 9, 2021, at 5:02 AM, 'FRANCESCA FEDERICO' via oTree help & discussion <ot...@googlegroups.com> wrote:

Hi everybody,

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[FRANCESCA FEDERICO]

Hi Chris,

the code from the first screenshot works (it's a page template), but only variables referring to round 5 are "right" (=match with participant data): I think that for the other rounds data are taken from players in previous rounds that have the same player.id_in.group that the participant had in his last round (I reshuffle players each round, so player.id and group.id change each round).

I've tried using {% for p in  participant.in_all_rounds %} but it doesn't work. Is there a way to access participant data in all round and showing them as a list?

Thank you!

Francesca

[Chris @ oTree]

Hi, thanks for the info. Can you add a column to the table showing the participant code?

<td>{{ p.participant.code }}</td>

That way we can confirm whether it's the same participant. Otherwise i can't directly see from the screenshot that it's behaving incorrectly; I would need to see some kind of screenshot or print statement showing that oTree is contradicting itself, like showing that this table is inconsistent with what you see in the data export,etc.

If it is behaving inconsistently, can you send me your project and tell me where to find the code that does the group shuffling?

[Chris @ oTree]

By the way there is no participant.in_all_rounds() because participants do not change from round to round.

[FRANCESCA FEDERICO]

Sorry it was my mistake! Player.in_all_rounds works correctly, but only in some rounds (in this case round 1 and 4)  it seems that when I use group.in_all_rounds data are mixed up 

[Chris @ oTree]

See the note in the documentation about group.in_all_rounds etc. you should not use it if you are shuffling groups between rounds. 

Sent from my phone

On Apr 10, 2021, at 5:57 PM, 'FRANCESCA FEDERICO' via oTree help & discussion <ot...@googlegroups.com> wrote:

Sorry it was my mistake! Player.in_all_rounds works correctly, but only in some rounds (in this case round 1 and 4)  it seems that when I use group.in_all_rounds data are mixed up 

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[FRANCESCA FEDERICO]

Ok. Thank you!

[Chris @ oTree]

If you want the groups the current player was in previously, you can do:

for p in player.in_all_rounds(): p.group.total_contribution 

Sent from my phone

On Apr 10, 2021, at 6:14 PM, 'FRANCESCA FEDERICO' via oTree help & discussion <ot...@googlegroups.com> wrote:



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[FRANCESCA FEDERICO]

You're right! Thank you again!