Get unique values from a list in python - Stack Overflow
Oct 15, 2012 · I want to get the unique values from the following list:
unique - What is the cleanest way to do a sort plus uniq on a Python ...
A sort followed by an in-place unique is a far more efficient operation than converting a list to a set, and then sorting that. Even using a min-heap would be preferable.
python - List unique values in a Pandas dataframe - Stack Overflow
Dec 22, 2017 · 1 You can get the unique values in the whole df with this one-liner: pd.Series(df.values.flatten()).unique() You basically transform your df to a numpy array, flatten and …
How to get unique values from a python list of objects
Sep 25, 2014 · How to get unique values from a python list of objects Asked 11 years, 3 months ago Modified 4 years, 10 months ago Viewed 57k times
How to make lists contain only distinct element in Python?
Dec 18, 2017 · In Python, sets and dicts are built using hashtables so they are interchangeable in this scenario. They both provide the same operations (limiting duplicates) and both have the same …
Checking if all elements in a list are unique - Stack Overflow
Mar 12, 2011 · 2 All answer above are good but I prefer to use all_unique example from 30 seconds of python You need to use set() on the given list to remove duplicates, compare its length with the …
python - numpy.unique with order preserved - Stack Overflow
The documentation simply states that it is significantly faster than numpy.unique, but this may simply mean that it has smaller constants or the complexity might be between linear and NlogN.
python - pandas unique values multiple columns - Stack Overflow
pd.unique returns the unique values from an input array, or DataFrame column or index. The input to this function needs to be one-dimensional, so multiple columns will need to be combined. The …
python - List of unique dictionaries - Stack Overflow
By default, keys in dictionaries are unique, so if the dict with the same id is being added to this new dictionary, it overwrites previous dict with the same id. .values() returns a view object that displays a …
python - print the unique values in every column in a pandas …
Dec 2, 2014 · I have a dataframe (df) and want to print the unique values from each column in the dataframe. I need to substitute the variable (i) [column name] into the print statement column_list = …