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Thread: Which model/test should I choose? (GLM..?)

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    Which model/test should I choose? (GLM..?)


    I'm new to statistics but I am getting really stuck with my data so I hope someone could help me to choose the best statistical test. I have some test (dummy) data. I have data from 64 different hospitals, for 5 different countries countries, over 5 different years. In all of the hospitals they use a certain drug that is stored at a certain temperature. They have tested the drug for effectiveness after a certain time. For other reasons they also tested for each medicine bottle, at which temperature the medicine would be stored best (with a min. temperature, maximum temperature and the calculated range). NOTE: not all samples are tested for storing conditions... Also for the number of samples per country/year/hospital differ.

    This is what the data looks like (also in the attached picture):

    Sample: 1....2700
    Year: 2011...2015
    Hospital: 64 different hospitals: A, B, C...
    Country: 5 different countries: NL, AU, PH, CL, NZ
    Effectiveness.score: 0...100%
    Minimum Temperature: Celcius Degrees
    Maximum Temperature Celcius Degrees
    Temperature Range: Celcius Degrees

    I want to test if there is a correlation between the effectiveness ~ Temperature data. I also want to take into account that Year, Country and Hospital could cause a side (random) effect in my data.

    I was thinking to go for GLM but I can't figure out if this is the best model. I have seen that there are other generalized models but I can't find the right literature to pick the right model...

    Thank you so much..!
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