Questions about data-analysis
Read more about data-analysis
python (12.9k questions)
javascript (9.2k questions)
reactjs (4.7k questions)
java (4.2k questions)
java (4.2k questions)
c# (3.5k questions)
c# (3.5k questions)
html (3.3k questions)
How to return a numpy arrays with expected shape from large csv file?
My expected shape of the return array S1 are (20,10). Why it is (22,10)? (2)How can I extract some rows from df0 and df1 and to construct a new array efficiently?
The csv files is not large but they c...
jiadong
Votes: 0
Answers: 1
Using multiple conditional statements to make new columns
I have a data frame, train_df:
data = {'driverID': [1, 1, 1, 1, 1, 2, 2, 2, 2, 2],
'raceID': [2, 3, 4, 5, 6, 2, 3, 4, 5, 6],
'race_date': ['2018-04-20', '2018-06-20', '2018-08-20', '...
Caesar
Votes: 0
Answers: 2
NameError: name 'resample' is not defined
I am trying to use the resample method in python but getting the below error:
---------------------------------------------------------------------------
NameError Traceback (most recent call last)
&l...
Vaishnavi
Votes: 0
Answers: 2
Counting the number of rows having values greater than particular row after grouping in a dataframe
I have a dataframe containing the population of important cities. Dataframe image
It contains cities from different countries. out of all cities in a particular country there is only one city which is...
aju_dev
Votes: 0
Answers: 1