Question

This is R language

• Create a vector that contains the message part of each log entry in logsin uppercase letters. In your solution, you might want to use the function toupper(). Simply print this vector to the console.

# Return vector with uppercase version of message elements in log entries

# Apply extract_caps function on logs

Answer 1

code

solution

//output

//copyable code

vapply(logs, `[[`, c('details','message'),FUN.VALUE=character(1))

toupper(vapply(logs, `[[`, c('details','message'),FUN.VALUE=character(1)))

# Apply extract_caps function on logs

extract_caps<-function(x){

toupper(x$details$message)

}

vapply(logs,extract_caps,FUN.VALUE=character(1))