Aggregating values from a graph

Questions
1

I have a value (“a_score”) calculated in a graph (G1) that comes from a calculation done on an aggregated numberList (S) based on student input to a table. I am looking to carry over these values to the next graph (G2). To do this, I have tried to define a numberList for G2 as numberList(U): aggregate(G1.number(“a_{score}”)).

It does not seem to like this as I can’t get anything to show on my graph - I have tried simply plotting a point (U,1) and it won’t work. I’ve had previous success with aggregating numbers from a table and showing them all on one graph so I’m not sure what the issue is here.

2

A link to your example would be helpful.

Are the values of (U,1) within the bounds of the graph? So, maybe present just not visible? Also, shouldn’t a_score be the same for each student if it was calculated by the aggregated list (S)? Meaning there would only be one point for (U,1)?

3

Hi Daniel,

My activity is a bit convoluted, I’ve linked it below. I checked the bounds and it should be fine, and have tried to run simple test slides, none of which work.

I changed my variable names in the post above from what I had in the activity to be a bit easier to follow, but essentially I’m looking to take the variable s_core from the graph Q1_score and create a sink, s_p, on the seventh slide graph, Q2_score. Then, the graph Q2_score should calculate a new s_core variable by adding the s_p value and plot it. Everything works except the addition of the previous score.

Thank you for the help!

4

Before we get too far into the details, have you tried making a class code and using sample students? Sometimes aggregate misbehaves a little in preview.

5

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Looks like its working? Not sure if the visual is what you want, but the aggregation itself seems to be hooked up fine.

6

Hi Jay,

I’ve been making sample classrooms to ensure everything works, but I may not have made one since I added the second question.

I’ll have some time to do that soon, I’ll try it and report back.

Thanks

Alex

7

Hi again Jay, all of the aggregations except for the one on slide 7 are working. For whatever reason, the s_core variable doesn’t like the addition of the aggregated numberList s_p. I haven’t been able to think of a workaround to this. Right now I have conditions set on s_core but I have tried it without the conditions in case that was the culprit and it still didn’t work.

I have also tried just plotting a point (s_p, 1) on the graph and that doesn’t work either.

If you have any insight that would be great!

8

It seems that I got it to work - I think that s_{core} becomes a numberList since it is generated from two numberLists. I created a separate variable in the graph calculated only using numbers and it adds fine.

Thanks!