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- W2615443003 abstract "In this article we study variable selection problem using LASSO with new improvisations. LASSO uses $ell_{1}$ penalty, it shrinks most of the coefficients to zero when number of explanatory variables $(p)$ are much larger the number of observations $(N)$. Novelty of the approach developed in this article blends basic ideas behind resampling and LASSO together which provides a significant variable reduction and improved prediction accuracy in terms of mean squared error in the test sample. Different weighting schemes have been explored using Bootstrapped LASSO, the basic methodology developed in here. Weighting schemes determine to what extent of data blending in case of grouped data. Data sharing (DSL) technique developed by [11] lies at the root of the present methodology. We apply the technique to analyze the IMDb dataset as discussed in [11] and compare our result with [11]." @default.
- W2615443003 created "2017-05-26" @default.
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- W2615443003 date "2017-05-16" @default.
- W2615443003 modified "2023-09-27" @default.
- W2615443003 title "Data Sharing and Resampled LASSO: A word based sentiment Analysis for IMDb data" @default.
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