Tagged Questions

2
votes
1answer
41 views

Resources for developing prognostic index-scores

I am looking for online resources or books explaining how to develop prognostic indexes-scores step by step. I am mainly wondering about model validation and transformation of regression coefficients ...
5
votes
1answer
97 views

What do you do with your testing data?

Suppose you perform a parameter selection study in an environment with not-so-many data points. You divide the available data into training and testing set and you plan to validate the future model on ...
2
votes
0answers
79 views

Validation of data partitioning

I've some numerical sequence of data monitored over time $v(i)$, which belongs to one of two classes, 0 or 1. I monitor the variable several times, obtaining a sequence associated to 0 or 1. I use ...
1
vote
1answer
92 views

Difference between Step validation and Cross validation

I'm trying to model some chemical data from a series of spectra. I've gone through the preprocessing step and selected "autoscale" (I'm using Pirouette). And when it comes to validation I'm a little ...