numpy Archives - Page 2 of 11

I need to fit RandomForestRegressor from sklearn.ensemble. forest = ensemble.RandomForestRegressor(**RF_tuned_parameters) model = forest.fit(train_fold, train_y) yhat = model.predict(test_fold) This code always worked until I ...

May 31, 2022
0 Comments

Programming, Python

IT Nursery

NumPy or Pandas: Keeping array type as integer while having a NaN value

Is there a preferred way to keep the data type of a numpy array fixed as int (or int64 or whatever), while still ...

May 30, 2022
0 Comments

Programming, Python

IT Nursery

Suppress Scientific Notation in Numpy When Creating Array From Nested List

I have a nested Python list that looks like the following: my_list = [[3.74, 5162, 13683628846.64, 12783387559.86, 1.81],...

May 30, 2022
0 Comments

Programming, Python

IT Nursery

Extracting specific columns in numpy array

This is an easy question but say I have an MxN matrix. All I want to do is extract specific columns and store ...

May 30, 2022
0 Comments

Programming, Python

IT Nursery

“Cloning” row or column vectors

Sometimes it is useful to “clone” a row or column vector to a matrix. By cloning I mean converting a row vector such ...

May 29, 2022
0 Comments

Programming, Python

IT Nursery

Numpy: Get random set of rows from 2D array

I have a very large 2D array which looks something like this: a= [[a1, b1, c1], [a2, b2, c2], ...,...

May 29, 2022
0 Comments

Programming, Python

IT Nursery

How to do exponential and logarithmic curve fitting in Python? I found only polynomial fitting

I have a set of data and I want to compare which line describes it best (polynomials of different orders, exponential or logarithmic). ...

May 29, 2022
0 Comments