identifying categorical variables in a dataset
There is no clear distinction between categories and text. However, if you want to understand if a particular feature is categorical you can do a simple test.
e.g. if you are using pandas, you can use value_counts() / unique() for a feature. If the number of results are comparable to the size of the dataset, this is not a categorical field.
Similarly for numerics too.. But in numerics it may be Ordinal, meaning there is a clear ordering. e.g., size of t-shirts.
I have a dataset with 150+ features, and I want to separate them as text, categories and numerics. The categorical and text variables are having the Object data type. How do we distinguish between a categorical and text variable? Is there any threshold value for the categorical variable?