Answers to the exercises are available here. Exercise 1 Consider the Kyphosis data frame(type help(‘kyphosis’) for more details), that contains: -Kyphosis:a factor with levels absent present indicating if a kyphosis (a

Answers to the exercises are available here. Exercise 1 What is the output of: ifelse(sqrt(9)<2,sqrt(9),0) Exercise 2 What is the output of: ifelse(sqrt(100)>9,sqrt(100),0) Exercise 3 What is the output y of: x=12 if(is.numeric(x)) y=x*2 Exercise 4 What is the output x,y of: z=-1 if(z<0){x=abs(z);y=z*3} Exercise 5 What is the output y of: z=6 if(z<0) y=z*3

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