All Questions
Tagged with machine-learning dataset
12 questions
21
votes
1
answer
331
views
Inefficient memory storage for Dataset
Why Dataset doesn't serialize its contents, isn't it the whole point? I expect it to behave similar to python's pandas.DataFrame,...
- 7,993
18
votes
2
answers
3k
views
How to split a Dataset into training and testing for machine learning?
Suppose I have iris data In the Dataset Format.
How to split the iris data Into training and testing for Machine learning?
For example,Transform the data for Classify.
- 598
15
votes
3
answers
2k
views
Transform Dataset so it can be used as training set for Classify
Trying to learn the new Dataset features, I am playing with the iris dataset:
...
- 1,393
9
votes
1
answer
152
views
Can Mathematica Neural Net make use of the REC file format for images like MXNet?
When using large set of images for training neural networks (>10000, size 250 x 250 each) the time to read the images is quite long.
My first approach was to use the DataSet functionality of ...
- 131
8
votes
2
answers
341
views
Predict: How to customize model construction? (e.g. cross fold validation, mtry, number features used, ROC curve)
Question Overview
In general this question is in regards to how to tweak the parameters used when one specifies a Method when calling the Predict function. Herein ...
- 5,442
5
votes
1
answer
352
views
Updated: Correct Formatting of Dataset (labeled columns and rows) for Predict v NetTrain?
Problem
I can not seem to figure out the correct way of formatting Dataset to be used with predict. I am providing Mathematica's example, which works fine. I also am including an abitrary "dataset" ...
- 5,442
3
votes
2
answers
947
views
Classifying images in mass with URLs and CSV file
I'm looking to train a image classifier with a large number of examples and categories (30,000 & 100). I would then import a file of image URLs that need to be classified, and export the results. ...
3
votes
2
answers
217
views
Building a classifier with complex strings as variable
I'm attempting to build a classifier using complex strings as one of the variables.
Modified Titanic data as an example:
...
3
votes
1
answer
460
views
Using a dataset of PredictorFunctions
I have been working with a dataset of predictor functions -- mainly so I can have more insight in to what the functions are doing and how they behave.
Where I am struggling is using ...
- 2,361
2
votes
0
answers
53
views
Calculate the precision@k in Classify
I am interested to measure a precision@k. The Classify function provides a build in an option for that or an elegant approach to calculate this without the need to ...
- 2,019
1
vote
0
answers
246
views
Machine Learning / Deep learning using Mathematica? [closed]
I am looking forward to the recommendation to learn ML/DL in Mathematica
I know that there are plenty of resources web sites and books, MOOC to learn Machine Learning and Deep Learning mostly in ...
- 545
0
votes
0
answers
67
views
Identifying and tracking cluster elements in ClusterClassify for multiple time-steps of data
I have multiple time-steps of {x,y,z}coordinates data for some atoms. I would like to cluster the data for each frame and later identify how cluster compositions change and how each atom changes from ...
- 739