to define the data set thirtyandolder, use the r command thirtyandolder <- subset(soss 65, age > 29) create a logistic regression model using the data set thirtyandolder to calculate the probability that an individual owns a dog where the only independent variable is age. (use the quantitative variable named age, not the categorical variable age group). when do we create this logistic regression model, we obtain the following equation for our model for individuals who are 30 years old and older: