Answer:
keeping software programs up-to-date
Explanation:
You see, you just aren’t philosophical enough to understand an email. You don’t change the email, it changes you.
Answer:The most easiest way to drop columns is by using subset() function.
Explanation:
In the code below, we are telling R to drop variables x and z. The '-' sign indicates dropping variables. Make sure the variable names would NOT be specified in quotes when using subset() function.
int sum = 0, n;
do {cin>>n; sum+=n;}while (n!=0);
cout<<sum;