python - How can I verify if one list is a subset of another? - Stack ...
Apr 21, 2017 · I need to verify if a list is a subset of another - a boolean return is all I seek. Is testing equality on the smaller list after an intersection the fastest way to do this? Performance …
python - Extract a subset of key-value pairs from dictionary?
I have a big dictionary object that has several key value pairs (about 16), but I am only interested in 3 of them. What is the best way (shortest/efficient/most elegant) to subset such dictionary? ...
python - How to get all subsets of a set? (powerset) - Stack Overflow
@X10D Asking what are the applications of a power set is a bit like asking what are the applications of subsets. It is a fundamental mathematical concept. What to use it for is up to …
Get a sub-set of a Python dictionary - Stack Overflow
I have a dictionary: {'key1':1, 'key2':2, 'key3':3} I need to pass a sub-set of that dictionary to third-party code. It only wants a dictionary containing keys ['key1', 'key2', 'key99'] and if it ...
python - How to return a subset of a list that matches a condition ...
How to return a subset of a list that matches a condition [duplicate] Asked 9 years, 9 months ago Modified 2 years, 5 months ago Viewed 101k times
pandas - subsetting a Python DataFrame - Stack Overflow
def subset(df, query=None, select=None, unselect=None, asindex=False, returnFullDFIfError=False, **kwargs): """ Subsets a pandas DataFrame based on query …
python - Selecting multiple columns in a Pandas dataframe - Stack …
As EMS points out in his answer, df.ix slices columns a bit more concisely, but the .columns slicing interface might be more natural, because it uses the vanilla one-dimensional Python list …
creating a new list with subset of list using index in python
Oct 26, 2015 · creating a new list with subset of list using index in python Asked 12 years ago Modified 2 years, 5 months ago Viewed 180k times
Pandas dataframe fillna () only some columns in place
I am trying to fill none values in a Pandas dataframe with 0's for only some subset of columns. When I do: import pandas as pd df = …
python - Selecting a subset using dropna () to select multiple …
Selecting a subset using dropna () to select multiple columns Asked 8 years ago Modified 7 years, 1 month ago Viewed 43k times