# Statistical help

**URL:** https://datashield.discourse.group/c/tech-theme-statistical-development/statistics-help/10.md

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## [About the Statistical help category](https://datashield.discourse.group/t/about-the-statistical-help-category/108)

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**Author:** [@demetris.avraam](https://datashield.discourse.group/u/demetris.avraam)\
**Replies:** 0

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A category for statistical methodological issues

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## [dsSynthetic: Synthetic data generation and harmonization in DataSHIELD](https://datashield.discourse.group/t/dssynthetic-synthetic-data-generation-and-harmonization-in-datashield/566)

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**Author:** [@neelsoumya](https://datashield.discourse.group/u/neelsoumya)\
**Replies:** 1\
**Last updated:** [27 June 2022 15:39 UTC](https://datashield.discourse.group/t/dssynthetic-synthetic-data-generation-and-harmonization-in-datashield/566 "2022-06-27T15:39:16Z")

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Dear All, Synthetic data generation and data harmonization is now available in DataSHIELD via the dsSynthetic package A bookdown showing this work is available here If you use or like this work, please consider …

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## [Survival models in DataSHIELD](https://datashield.discourse.group/t/survival-models-in-datashield/565)

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**Author:** [@neelsoumya](https://datashield.discourse.group/u/neelsoumya)\
**Replies:** 2\
**Last updated:** [5 June 2022 07:10 UTC](https://datashield.discourse.group/t/survival-models-in-datashield/565 "2022-06-05T07:10:04Z")

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Dear All, Survival functionality is now available in DataSHIELD in the dsSurvival package. A preprint describing this is also available named: dsSurvival: Privacy preserving survival models for federated individual pa…

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## [Cox Regression in DataSHIELD](https://datashield.discourse.group/t/cox-regression-in-datashield/178)

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**Author:** [@daniela.zoeller](https://datashield.discourse.group/u/daniela.zoeller)\
**Replies:** 20\
**Last updated:** [29 May 2022 05:09 UTC](https://datashield.discourse.group/t/cox-regression-in-datashield/178 "2022-05-29T05:09:41Z")

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I found the paper above and wondered if someone of you has already looked at this if it might be useable in DataSHIELD? Best wishes, Daniela

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## [Is Lasso disclosive?](https://datashield.discourse.group/t/is-lasso-disclosive/162)

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**Author:** [@HankCao](https://datashield.discourse.group/u/HankCao)\
**Replies:** 6\
**Last updated:** [3 February 2020 08:54 UTC](https://datashield.discourse.group/t/is-lasso-disclosive/162 "2020-02-03T08:54:26Z")

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Hi datashield members: Since we were dealing with high-dimentional data (n\<\<p) i.e. omics data, therefore we were learning to implement the common machine learning tool —Lasso and Ridge regression— in datashield. And th…

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## [Z-score transformations of discrete variables](https://datashield.discourse.group/t/z-score-transformations-of-discrete-variables/109)

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**Author:** [@demetris.avraam](https://datashield.discourse.group/u/demetris.avraam)\
**Replies:** 4\
**Last updated:** [7 August 2019 13:51 UTC](https://datashield.discourse.group/t/z-score-transformations-of-discrete-variables/109 "2019-08-07T13:51:29Z")

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I have a research problem where I want to scale all the variables in a dataset to zero mean and unit variance. For the continuous variables, I use the z-score transformations. Is it statistically correct to use the same …