What is the data.table for python equivalent of %like%? Short example: dt_foo_bar = dt.Frame({"n": [1, 3], "s": ["foo", "bar"]}) dt_foo_bar[re.match("foo",f.s),:] #works to filter by "foo" I h...

I am unable to perform a standard in operation with a pre-defined list of items. I am looking to do something like this: # Construct a simple example frame from datatable import * df = Frame(V1=['...

I am new to working with python datatables and here is the tutorial I am following How do I filter out the rows where the values in a certain column are contained in a list? Essentially this is the...

I have a data frame with two columns as shown below, DT_EX = dt.Frame({'film':['Don','Warriors','Dragon','Chicago','Lion','Don','Chicago','Warriors'], 'gross':[400,500,600,100,200,300,900,1000]})...

What is the proper way to query top N rows by group in python datatable? For example to get top 2 rows having largest v3 value by id2, id4 group I would do pandas expression in the following way: ...