Johannes Hüsing wrote:
>
>
> Am 19.05.2009 um 05:39 schrieb phen_ys:
>
>>
>>> surgery <- data.frame(outcome = c(0, 0, 0, 0, 0, 0, 0, 0, 0,
>> + 0, 0, 0, 0, 1, 1, 0, 0, 0, 1, 0, 0, 1, 1, 1, 1, 0, 1, 0,
>> + 0, 1, 0, 1, 0, 1, 1, 0, 1, 0, 1, 0), age = c(50, 50, 51,
>> + 51, 53, 54, 54, 54, 55, 55, 56, 56, 56, 57, 57, 57, 57, 58,
>> + 59, 60, 61, 61, 61, 62, 62, 62, 62, 63, 63, 63, 64, 64, 65,
>> + 67, 67, 68, 68, 69, 70, 71))
>>
>> How to use R to find association of the death rate and age with the
>> above
>> data?
>>
>
> with(surgery, boxplot(age ~ outcome))
>
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>
>
I try to fit this into the model use lm function, but it doesn't make much
sense. The question i'm trying to answer is whether death rate is associated
with age. E.g the death rate is higher when the age is older.
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