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Questions tagged [predictor]

The tag has no usage guidance.

4
votes
1answer
63 views

Predict[] Application Timing [closed]

I trained a Predict and when I look at PredictorInformation it says evaluation time is less than 1 millisecond per example. ...
6
votes
1answer
71 views

Predict failed to reproduce result of multiple linear regression

I would like to reproduce the result of multiple linear regression with Predict. In approach 1, I used matrix computation and obtained ...
1
vote
1answer
110 views

Can Predict return non-numerical values?

I just started working with the Mathematica machine learning package. When I use Predict, I can predict only numerical values like ...
1
vote
0answers
87 views

Machine Learning Predict Precision

I have this code p = Predict[{1 -> 123456789123456789, 3 -> 987654321987654321}] values are big, more than 15 digits (standard machine precision). when I ...
1
vote
0answers
39 views

proper use of PredictorMeasurements[]

I've been playing around with Predict[] with multi-dimensional datasets and, for small training sets anyway, things seem to work correctly. For example, ...
2
votes
0answers
230 views

Predict a lagging continuous observable based on leading continuous parameters?

Consider a time dependent observable obs[t] and a set of n time dependent parameters par[i,t]...
2
votes
1answer
105 views

Changing plot style in PredictorMeasurements

I'm trying to combine a PredictorMeasurements["ComparisonPlot"] plot with another plot, but the problem is that the plot generated by ...
5
votes
0answers
88 views

How to use PredictorMeasurements without a PredictorFunction?

I have the output and target values computed already from a model applied a test set, but it's not a PredictorFunction. Is there any way to force feed these to <...
8
votes
2answers
221 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 ...
2
votes
2answers
592 views

Vector-valued output from Predict

I have a list of 3D points, and I'd like to run a Predict on them just to test. It should be fairly straightforward. Here's a simple example: ...
1
vote
0answers
177 views

How to use the function Predict[] with variable-length dataset?

I can use the function Predict[] with pre-defined dataset successfully. A = {1, 2, 3, 4, 5, 6, 7, 8, 9} -> {1, 2, 3, 4, 5, 6, 7, 8, 9}^3; p = Predict[A] ...
3
votes
1answer
279 views

Use Kalman filter to predict

Here is a set of altitude data I collected with an Arduino sensor BMP-180 on a board CanSat data = {13.15, 13.4, 13.15, 13.31, 13.4, 13.31, 13.15,.....} how can ...
3
votes
0answers
67 views

What ratio of example per class gives best results and least overfitting?

For an n-class classifier or predictor, how many positive (or negative?) examples of each of the n classes should I put into my training and testing sets for the best results? I anticipate that ...
12
votes
1answer
416 views

How to monitor the progress of training a classifier?

I've had p = Predict[x -> y] running for hours and I have now idea if I should kill it or not. I'm looking for some rough bounds for an estimate of how long <...
10
votes
1answer
742 views

Neural Networks in Predict function

I'm trying to reproduce the result giving by a Predict function with a Neural Network as the chosen method. So, I'm training from this set: ...
3
votes
0answers
74 views

Undo automatic update [closed]

I was working with Predict function (with a neural network and today, and when I executed the same notebook I have been working for some time, Machine Learning package was automatically updated (it ...