Explanation:Optimization routines in R like optim(), nlm(), and optimize() require you to pass a function. 5. Point out the correct statement :
A. An environment is a collection of (symbol, value) pairs, i.e. x is a symbol and 3.14 might be its value
B. If the value of a symbol is not found in the environment in which a function was defined, then the search is continued in the child environment
C. After the top-level environment, the search continues down the search list until we hit the parent environment
D. None of the mentioned
Answer:A
Explanation:Optimization routines in R like optim(), nlm(), and optimize() require you to pass a function. 5. Point out the correct statement :
A. An environment is a collection of (symbol, value) pairs, i.e. x is a symbol and 3.14 might be its value B. If the value of a symbol is not found in the environment in which a function was defined, then the search is continued in the child environment C. After the top-level environment, the search continues down the search list until we hit the parent environment D. None of the mentioned
Explanation:Every environment has a parent environment and it is possible for an environment to have multiple “children”. 6. What will be the output of the following code ?