Time series cross-validation for lasso

조회 수: 4(최근 30일)
Nikolaos Vasilas
Nikolaos Vasilas 2021년 3월 17일
편집: Swetha Polemoni 2021년 3월 31일
I am trying to estimate a lasso model using time series data and I would like to use cross-validation to select the lamda parameter. However, K-flod validation randomly shuffles the data and therefore it is not optimal in a time-series context; something like forward chaining would be more appropriate. I have no clue how to do this in matlab as the lasso or the cvpartition functions do not offer such option.


Swetha Polemoni
Swetha Polemoni 2021년 3월 31일
편집: Swetha Polemoni 2021년 3월 31일
Hi Nikolaos Vasilas
K-fold validation without random shuffling of data/ time series cross-validation is not supported by Matlab This requirement has been brought to the notice of developers. It might be considered in future release.


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