R Program to add new row(s) to an existing data frame
In this Learn by Coding example, we are explaining how to write an R program to extract the five of the levels of factor created from a random sample from the LETTERS. Here we are using a built-in function factor() for this conversion. The vector values are passed to these functions directly here. The factor() functions in R computes the factors of the vector in a single function.
Using the function factor() we can create a factor of the vector. Factors are stored as integer vectors and which is closely related to vectors. The syntax of these functions are
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Two Machine Learning Fields
There are two sides to machine learning:
- Practical Machine Learning: This is about querying databases, cleaning data, writing scripts to transform data and gluing algorithm and libraries together and writing custom code to squeeze reliable answers from data to satisfy difficult and ill defined questions. It’s the mess of reality.
- Theoretical Machine Learning: This is about math and abstraction and idealized scenarios and limits and beauty and informing what is possible. It is a whole lot neater and cleaner and removed from the mess of reality.
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