# Statistical development **URL:** https://datashield.discourse.group/c/tech-theme-statistical-development/20.md [Latest](https://datashield.discourse.group/latest.md) · [Categories](https://datashield.discourse.group/categories.md) · [Tags](https://datashield.discourse.group/tags.md) --- ## [About the Statistical development category](https://datashield.discourse.group/t/about-the-statistical-development-category/769)
**Author:** [@asm](https://datashield.discourse.group/u/asm)\ **Replies:** 0
--- ## [Functions planned for deletion in v7.0 - to review](https://datashield.discourse.group/t/functions-planned-for-deletion-in-v7-0-to-review/1582)
**Author:** [@timmyjc](https://datashield.discourse.group/u/timmyjc)\ **Replies:** 0\ **Last updated:** [28 September 2026 11:23 UTC](https://datashield.discourse.group/t/functions-planned-for-deletion-in-v7-0-to-review/1582 "2026-09-28T11:23:34Z")
Hi all, As part of V7.0 release we are planning to remove a number of functions that have either been deprecated or are internal functions no longer used. Please could you review this list and let me know if you believe … --- ## [dsSurvival and survival analysis](https://datashield.discourse.group/t/dssurvival-and-survival-analysis/1389)
**Author:** [@tlaurent](https://datashield.discourse.group/u/tlaurent)\ **Replies:** 2\ **Last updated:** [27 November 2025 12:01 UTC](https://datashield.discourse.group/t/dssurvival-and-survival-analysis/1389 "2025-11-27T12:01:06Z")
Hi everyone, I am new to DataSHIELD and am currently setting up a project where I need to perform survival analyses (specifically Cox regression and Kaplan-Meier curves). I came across the dsSurvival package, but I not… --- ## [Working Group: Survival analysis](https://datashield.discourse.group/t/working-group-survival-analysis/1358)
**Author:** [@demetris.avraam](https://datashield.discourse.group/u/demetris.avraam)\ **Replies:** 1\ **Last updated:** [10 October 2025 06:36 UTC](https://datashield.discourse.group/t/working-group-survival-analysis/1358 "2025-10-10T06:36:00Z")
Hi all, We are planning the first online meeting of the Survival Analysis Working Group. If anyone is interested to join the meeting please fill your availability in this doodle poll: https://doodle.com/group-poll/parti… --- ## [Support Vector Machines](https://datashield.discourse.group/t/support-vector-machines/1221)
**Author:** [@gospelON](https://datashield.discourse.group/u/gospelON)\ **Replies:** 4\ **Last updated:** [17 March 2025 18:21 UTC](https://datashield.discourse.group/t/support-vector-machines/1221 "2025-03-17T18:21:52Z")
Please, Is there an implementation of a Support Vector Machine (SVM) package in Datashield? or is someone currently developing SVM for Datashield? --- ## [Survey to Improve Coding Guidelines](https://datashield.discourse.group/t/survey-to-improve-coding-guidelines/1220)
**Author:** [@florian.schwarz](https://datashield.discourse.group/u/florian.schwarz)\ **Replies:** 2\ **Last updated:** [14 March 2025 12:40 UTC](https://datashield.discourse.group/t/survey-to-improve-coding-guidelines/1220 "2025-03-14T12:40:58Z")
Hi all, I have created a small survey in order to collect people’s opinion to improve our coding guidelines. The survey is mainly for people developing DataSHIELD functions, but everyone in the community can fill it out… --- ## [Incorrect results in pooled regression if the levels of factor covariates are not in the same order across studies](https://datashield.discourse.group/t/incorrect-results-in-pooled-regression-if-the-levels-of-factor-covariates-are-not-in-the-same-order-across-studies/1172)
**Author:** [@demetris.avraam](https://datashield.discourse.group/u/demetris.avraam)\ **Replies:** 0\ **Last updated:** [21 January 2025 08:31 UTC](https://datashield.discourse.group/t/incorrect-results-in-pooled-regression-if-the-levels-of-factor-covariates-are-not-in-the-same-order-across-studies/1172 "2025-01-21T08:31:25Z")
Hi all, I want to warn you about an issue with the ds.glm function that you might have if you include pre-processed factors as covariates. If a factor covariate has a different reference group in some studies (or if the… --- ## [Help developing dsTidyverse](https://datashield.discourse.group/t/help-developing-dstidyverse/984)
**Author:** [@timmyjc](https://datashield.discourse.group/u/timmyjc)\ **Replies:** 1\ **Last updated:** [3 April 2024 10:23 UTC](https://datashield.discourse.group/t/help-developing-dstidyverse/984 "2024-04-03T10:23:04Z")
Hi all, I’ve started working on developing a dsTidyverse package to aid with data manipuation - I think this would improve the DS user experience considerably. However I’m struggling a bit with tidy evaluation, and wor… --- ## [DataSHIELD disclosure settings - migration of pages to new wiki](https://datashield.discourse.group/t/datashield-disclosure-settings-migration-of-pages-to-new-wiki/966)
**Author:** [@becca.wilson](https://datashield.discourse.group/u/becca.wilson)\ **Replies:** 2\ **Last updated:** [12 March 2024 17:43 UTC](https://datashield.discourse.group/t/datashield-disclosure-settings-migration-of-pages-to-new-wiki/966 "2024-03-12T17:43:29Z")
I have migrated the disclosure settings and table of dsBase checks pages from the old wiki to the new one. On the old wiki, pages that are migrated will contain an information banner detailing the location of the new pag… --- ## [Link to Monthly Statistical Theme Meetings (Every first Thursday of a month)](https://datashield.discourse.group/t/link-to-monthly-statistical-theme-meetings-every-first-thursday-of-a-month/881)
**Author:** [@manuhuth](https://datashield.discourse.group/u/manuhuth)\ **Replies:** 0\ **Last updated:** [1 November 2023 22:58 UTC](https://datashield.discourse.group/t/link-to-monthly-statistical-theme-meetings-every-first-thursday-of-a-month/881 "2023-11-01T22:58:11Z")
Dear DataSHIELD users and Developers, This is a reminder for our Statistical Development Theme meeting this Thursday at 10:30 CET. Tim Cadman will present his thoughts on developing tidyverse functions in DataSHIELD. A… --- ## [dsSynthetic: Synthetic data generation and harmonization in DataSHIELD](https://datashield.discourse.group/t/dssynthetic-synthetic-data-generation-and-harmonization-in-datashield/566)
**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")
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 … --- ## [Survival models in DataSHIELD](https://datashield.discourse.group/t/survival-models-in-datashield/565)
**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")
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… --- ## [Cox Regression in DataSHIELD](https://datashield.discourse.group/t/cox-regression-in-datashield/178)
**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")
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 --- ## [Is Lasso disclosive?](https://datashield.discourse.group/t/is-lasso-disclosive/162)
**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")
Hi datashield members: Since we were dealing with high-dimentional data (n\<\ **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") 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 …