#How to add a row to an existing dataframe

sbp=c(144, 138, 162, 170, 158)

age=c(39, 45, 65, 67, 67)

#start by converting the listings into a data frame

df=data.frame(sbp,age)

df

 sbp age

1 144  39

2 138  45

3 162  65

4 170  67

5 158  67

df1=rbind(df, c(200,800))

df1

sbp age

1 144  39

2 138  45

3 162  65

4 170  67

5 158  67

6 200 800