MSN: Learn how to factor a polynomial with four terms by grouping
Learn how to factor polynomials by grouping. A polynomial is an expression of the form ax^n + bx^(n-1) + . . . + k, where a, b, and k are constants and the exponents are positive integers. To factor ...
Performance: as.factor > factor when input is integer A factor variable is the next of kin of an integer variable. ... This means that converting an integer to a factor is easier than converting a numeric / character to a factor. as.factor just takes care of this.
Why use as.factor () instead of just factor () - Stack Overflow
The levels of a factor are stored as character data type anyway (attributes(f)), so I don't think there is anything wrong with as.numeric(paste(f)). Perhaps it would be better to think why (in the specific context) you are getting a factor in the first place, and try to stop that. E.g., is the dec argument in read.table set correctly?
r - How to convert a factor to integer\numeric without loss of ...
The complete conversion of every character variable to factor usually happens when reading in data, e.g., with stringsAsFactors = TRUE, but this is useful when say, you've read data in with read_excel() from the readxl package and want to train a random forest model that doesn't accept character variables.
azure-active-directory multi-factor-authentication azure-ad-b2b authenticator asked at 18:04 successhawk 3,419 5 37 53
multi factor authentication - How does a Guest User reset their MS ...
Re-ordering factor levels in data frame [duplicate] Asked 12 years, 8 months ago Modified 4 years, 8 months ago Viewed 261k times