Here is a small sample. It's the HIV status (1=present) and the person's age in months. I have to see if month is a predictor for HIV status. I'm asked to plot the line 0 = alpha + month(x) + month*month(w) and compare it to the scatterplot of month by month*month. I was able to do that scatterplot but I don't know what the code would be to plot the line. Month HIV 15 1 157 0 36 0 234 1 130 0 81 0 11 1
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