# Support **URL:** https://datashield.discourse.group/c/support/21.md?page=2 [Latest](https://datashield.discourse.group/latest.md) · [Categories](https://datashield.discourse.group/categories.md) · [Tags](https://datashield.discourse.group/tags.md) **Page:** 3 --- ## [Collaboration for Federated Analysis project in Cardiac Rehabilitation / Cardiovascular disease](https://datashield.discourse.group/t/collaboration-for-federated-analysis-project-in-cardiac-rehabilitation-cardiovascular-disease/873)
**Author:** [@Sol](https://datashield.discourse.group/u/Sol)\ **Replies:** 2\ **Last updated:** [19 October 2023 17:53 UTC](https://datashield.discourse.group/t/collaboration-for-federated-analysis-project-in-cardiac-rehabilitation-cardiovascular-disease/873 "2023-10-19T17:53:49Z")
Hi everyone, I’m planning a research project where I think using federated analyses would be helpful. The idea is to gather cardiac rehabilitation/ cardiovascular disease data from different institutions/ research group… --- ## [Rock not updating admin id/secret correctly](https://datashield.discourse.group/t/rock-not-updating-admin-id-secret-correctly/854)
**Author:** [@aakkoc](https://datashield.discourse.group/u/aakkoc)\ **Replies:** 16\ **Last updated:** [17 October 2023 13:32 UTC](https://datashield.discourse.group/t/rock-not-updating-admin-id-secret-correctly/854 "2023-10-17T13:32:31Z")
Rock allows for administrators to change/update the admin log-in using the ROCK\_HOME/conf/application.yml file. Following the steps described in Configuration — Rock documentation, I updated a server’s id/secret as follo… --- ## [synDS not in the server used in the tutorial for dsSynthetic?](https://datashield.discourse.group/t/synds-not-in-the-server-used-in-the-tutorial-for-dssynthetic/856)
**Author:** [@bodilSbld](https://datashield.discourse.group/u/bodilSbld)\ **Replies:** 3\ **Last updated:** [4 October 2023 13:33 UTC](https://datashield.discourse.group/t/synds-not-in-the-server-used-in-the-tutorial-for-dssynthetic/856 "2023-10-04T13:33:02Z")
Dear all, I’m interested in trying out dsSynthetic following the tutorial (dsSynthetic: A DataSHIELD package to generate synthetic data). The connection to the sandbox server works fine, but when I try ds.syn I recieve … --- ## [Plot regression line with confidence intervals](https://datashield.discourse.group/t/plot-regression-line-with-confidence-intervals/845)
**Author:** [@twey](https://datashield.discourse.group/u/twey)\ **Replies:** 3\ **Last updated:** [28 September 2023 16:07 UTC](https://datashield.discourse.group/t/plot-regression-line-with-confidence-intervals/845 "2023-09-28T16:07:00Z")
Apologies if this is covered elsewhere, but is there a way to plot confidence intervals around a regression line from the output of ‘ds.glm’ or ‘ds.glmSLMA’? I get the sense that a ‘newobj’ created on the server side fro… --- ## [Changing reference level of variable not reflected in ds.glm result](https://datashield.discourse.group/t/changing-reference-level-of-variable-not-reflected-in-ds-glm-result/852)
**Author:** [@twey](https://datashield.discourse.group/u/twey)\ **Replies:** 2\ **Last updated:** [27 September 2023 20:26 UTC](https://datashield.discourse.group/t/changing-reference-level-of-variable-not-reflected-in-ds-glm-result/852 "2023-09-27T20:26:43Z")
I am trying to change the reference levels of a categorical variable to get the coefficients of a glm for the “0” group (which was the reference in the original variable). I changed the reference level of a variable with… --- ## [Error in ds.glmSLMA](https://datashield.discourse.group/t/error-in-ds-glmslma/843)
**Author:** [@MajdaHamrit](https://datashield.discourse.group/u/MajdaHamrit)\ **Replies:** 0\ **Last updated:** [7 September 2023 12:45 UTC](https://datashield.discourse.group/t/error-in-ds-glmslma/843 "2023-09-07T12:45:13Z")
Dear all, I am using ds.glmSLMA for an analysis on 8 studies but I repeatedly get an error : model0 \<- ds.glmSLMA(formula=alive\_bin\_discharge.n ~ sex\_bin.r, + dataName = "baseline", + … --- ## [Troubleshooting Connectivity Issues in DataSHIELD Analysis](https://datashield.discourse.group/t/troubleshooting-connectivity-issues-in-datashield-analysis/823)
**Author:** [@sofiasiamp](https://datashield.discourse.group/u/sofiasiamp)\ **Replies:** 5\ **Last updated:** [15 August 2023 10:57 UTC](https://datashield.discourse.group/t/troubleshooting-connectivity-issues-in-datashield-analysis/823 "2023-08-15T10:57:44Z")
Dear all, We have been running DataSHIELD analysis on 8 studies for some time now with no significant issues. However, the last couple of weeks we started experiencing connectivity issues, where certain studies would ta… --- ## [Error in ds.unique](https://datashield.discourse.group/t/error-in-ds-unique/814)
**Author:** [@InesAmine](https://datashield.discourse.group/u/InesAmine)\ **Replies:** 2\ **Last updated:** [7 July 2023 11:14 UTC](https://datashield.discourse.group/t/error-in-ds-unique/814 "2023-07-07T11:14:20Z")
Dear all, I am using ds.unique for the first time but immediately got an error. My aim was to see if there was any duplicated children in my dataset using their ID. ds.unique("outcome$child\_id",newobj="unique\_id",datas… --- ## [Robust standard errors (sandwich estimator)](https://datashield.discourse.group/t/robust-standard-errors-sandwich-estimator/806)
**Author:** [@c.schwedhelm](https://datashield.discourse.group/u/c.schwedhelm)\ **Replies:** 2\ **Last updated:** [30 June 2023 09:05 UTC](https://datashield.discourse.group/t/robust-standard-errors-sandwich-estimator/806 "2023-06-30T09:05:08Z")
Dear DataSHIELD community, I fitted regression models with ds.glm and ds.SLMA, and I also inspected the residual plots, where I found heteroskedasticity. Therefore, we would like to calculate robust standard errors. Is … --- ## [Path of dataSHIELD packages in OS](https://datashield.discourse.group/t/path-of-datashield-packages-in-os/802)
**Author:** [@felixw](https://datashield.discourse.group/u/felixw)\ **Replies:** 3\ **Last updated:** [22 June 2023 13:00 UTC](https://datashield.discourse.group/t/path-of-datashield-packages-in-os/802 "2023-06-22T13:00:45Z")
Hello, I am using obiba/opal:4.5, which comes with dataSHIELD 6.2.0 I updated the package to 6.3.0. However, after restarting the container, the update disappear. I already have volumes for the paths opal\_data:/srv and o… --- ## [Using probit link for ds.glm](https://datashield.discourse.group/t/using-probit-link-for-ds-glm/798)
**Author:** [@Devin](https://datashield.discourse.group/u/Devin)\ **Replies:** 1\ **Last updated:** [19 June 2023 12:05 UTC](https://datashield.discourse.group/t/using-probit-link-for-ds-glm/798 "2023-06-19T12:05:09Z")
Hello, is it possible to specify a link function for the ds.glm function? I would like to do binary regression and use the probit link for it, but apparently this is not possible yet for this function, right? Is there s… --- ## [502 Bad Gateway](https://datashield.discourse.group/t/502-bad-gateway/791)
**Author:** [@wilmar.igl](https://datashield.discourse.group/u/wilmar.igl)\ **Replies:** 12\ **Last updated:** [9 June 2023 10:40 UTC](https://datashield.discourse.group/t/502-bad-gateway/791 "2023-06-09T10:40:34Z")
Hi, when I enter https://srv1.fedana.cloud in the browser, I get the error: “# 502 Bad Gateway — nginx/1.18.0” The server worked fine a several weeks ago, docker processes look fine, nginx works fine, there is plenty of… --- ## [Opal Demo server: PIN code?](https://datashield.discourse.group/t/opal-demo-server-pin-code/795)
**Author:** [@wilmar.igl](https://datashield.discourse.group/u/wilmar.igl)\ **Replies:** 1\ **Last updated:** [2 June 2023 07:38 UTC](https://datashield.discourse.group/t/opal-demo-server-pin-code/795 "2023-06-02T07:38:12Z")
Hi, I tried loggin in to https://opal-demo.obiba.org server as “administrator” with password “password” as recommended, but then I was asked for a 6 digits PIN code. Why? What is the code? Kr, Wilmar --- ## [Request Entity Too Large](https://datashield.discourse.group/t/request-entity-too-large/793)
**Author:** [@wilmar.igl](https://datashield.discourse.group/u/wilmar.igl)\ **Replies:** 2\ **Last updated:** [2 June 2023 03:49 UTC](https://datashield.discourse.group/t/request-entity-too-large/793 "2023-06-02T03:49:51Z")
Hi, I am trying to import data (1676488x10) and get this error: \[Client error: (413) Request Entity Too Large\] After I removed non-essential variables, the import progressed till 83% and then I got the error: Error: \[Se… --- ## [How to calculate median and SD?](https://datashield.discourse.group/t/how-to-calculate-median-and-sd/781)
**Author:** [@Vera](https://datashield.discourse.group/u/Vera)\ **Replies:** 1\ **Last updated:** [16 May 2023 17:58 UTC](https://datashield.discourse.group/t/how-to-calculate-median-and-sd/781 "2023-05-16T17:58:51Z")
How can I calculate median and SD for continuous variables? Is there a function for this in the dsBase package? --- ## [Access to Other Projects' Names, Table Names and any user's tasks](https://datashield.discourse.group/t/access-to-other-projects-names-table-names-and-any-users-tasks/777)
**Author:** [@esalehi](https://datashield.discourse.group/u/esalehi)\ **Replies:** 2\ **Last updated:** [5 May 2023 08:51 UTC](https://datashield.discourse.group/t/access-to-other-projects-names-table-names-and-any-users-tasks/777 "2023-05-05T08:51:49Z")
Hi there, we are using DataSHIELD for different projects with different users and roles. We found out that when each user (even with the least permission of “View dictionary and values of all tables” inside one project)… --- ## [Writing RDS Files to Arbitrary Locations](https://datashield.discourse.group/t/writing-rds-files-to-arbitrary-locations/778)
**Author:** [@esalehi](https://datashield.discourse.group/u/esalehi)\ **Replies:** 2\ **Last updated:** [5 May 2023 08:31 UTC](https://datashield.discourse.group/t/writing-rds-files-to-arbitrary-locations/778 "2023-05-05T08:31:28Z")
When a table is fetched using the R function opal.table\_get , the table is first exported to the local file system in the RDS file format and subsequently downloaded to the local R client. The export is triggered via an … --- ## [Opal UI logout does not trigger openID logout (e.g. Keycloak)](https://datashield.discourse.group/t/opal-ui-logout-does-not-trigger-openid-logout-e-g-keycloak/776)
**Author:** [@esalehi](https://datashield.discourse.group/u/esalehi)\ **Replies:** 1\ **Last updated:** [3 May 2023 19:15 UTC](https://datashield.discourse.group/t/opal-ui-logout-does-not-trigger-openid-logout-e-g-keycloak/776 "2023-05-03T19:15:08Z")
Hi, We are using keycloak as Identity Management tool and we found out that Logging out of the OPAL web application via the menu in the upper-right corner only terminates the OPAL session. While the user is redirected to… --- ## [Forum updates coming soon](https://datashield.discourse.group/t/forum-updates-coming-soon/758)
**Author:** [@asm](https://datashield.discourse.group/u/asm)\ **Replies:** 0\ **Last updated:** [20 April 2023 10:22 UTC](https://datashield.discourse.group/t/forum-updates-coming-soon/758 "2023-04-20T10:22:09Z")
Hi all, We will shortly be updating the forum layout to reflect the new structure of the community. So, please watch out for changes! Best, Andrei --- ## [Opal with Docker: Rock container start-up takes long and prone to crashes](https://datashield.discourse.group/t/opal-with-docker-rock-container-start-up-takes-long-and-prone-to-crashes/757)
**Author:** [@aakkoc](https://datashield.discourse.group/u/aakkoc)\ **Replies:** 0\ **Last updated:** [12 April 2023 14:20 UTC](https://datashield.discourse.group/t/opal-with-docker-rock-container-start-up-takes-long-and-prone-to-crashes/757 "2023-04-12T14:20:33Z")
Hi, For the last few months we have been deploying new Opal nodes through docker images. I have noticed that the start-up of new machines can take quite long. The main bottleneck seems to be Rock. In fact, just today, … --- ## [Looking for recommendations for keynote speakers!](https://datashield.discourse.group/t/looking-for-recommendations-for-keynote-speakers/752)
**Author:** [@Angela](https://datashield.discourse.group/u/Angela)\ **Replies:** 1\ **Last updated:** [5 April 2023 13:02 UTC](https://datashield.discourse.group/t/looking-for-recommendations-for-keynote-speakers/752 "2023-04-05T13:02:11Z")
Dear DataSHIELD community, We are starting to plan for the DataSHIELD conference in October and would value your input on potential keynote speakers. Is there anyone that you would like to hear from at the conference? … --- ## [DataSHIELD: Operational Management Theme - Drop-in Meeting](https://datashield.discourse.group/t/datashield-operational-management-theme-drop-in-meeting/750)
**Author:** [@swheater](https://datashield.discourse.group/u/swheater)\ **Replies:** 1\ **Last updated:** [4 April 2023 09:45 UTC](https://datashield.discourse.group/t/datashield-operational-management-theme-drop-in-meeting/750 "2023-04-04T09:45:27Z")
Topic: DataSHIELD: Operational Management Theme - Drop-in Meeting Time: Apr 5, 2023 02:00 PM Lisbon Join Zoom Meeting - https://us05web.zoom.us/j/81941654756?pwd=b0xnVGNSK0lUdmFldytFWEU2OFdsZz09 Meeting ID: 819 4165 … --- ## [Error running ds.glmSummary](https://datashield.discourse.group/t/error-running-ds-glmsummary/743)
**Author:** [@twey](https://datashield.discourse.group/u/twey)\ **Replies:** 4\ **Last updated:** [29 March 2023 20:08 UTC](https://datashield.discourse.group/t/error-running-ds-glmsummary/743 "2023-03-29T20:08:59Z")
Hello all, When I run ds.glmSummary on a successfully created model object (with either ds.glm or ds.glm SLMA), I get the message: Aggregated (exists(“test.glm”)) \[======================================================… --- ## [Model diagnostics on ds.glm](https://datashield.discourse.group/t/model-diagnostics-on-ds-glm/741)
**Author:** [@twey](https://datashield.discourse.group/u/twey)\ **Replies:** 3\ **Last updated:** [14 March 2023 22:24 UTC](https://datashield.discourse.group/t/model-diagnostics-on-ds-glm/741 "2023-03-14T22:24:15Z")
Hello everyone, I don’t suppose there is an approach for model diagnostics that would normally be done with the residuals? For example, if there were highly influential values in a multiple regression that would be detec… --- ## [OpalR: Debugging Table Import Fails](https://datashield.discourse.group/t/opalr-debugging-table-import-fails/737)
**Author:** [@aakkoc](https://datashield.discourse.group/u/aakkoc)\ **Replies:** 3\ **Last updated:** [9 March 2023 14:21 UTC](https://datashield.discourse.group/t/opalr-debugging-table-import-fails/737 "2023-03-09T14:21:29Z")
We are having some trouble with opal.table\_import from opalr. \> opal.table\_import(o, paste0("/projects/Test\_Project/",fileSavePath), project='Test\_Project', table… --- ## [Install a DataSHIELD server (\<1hour) \[Tutorial\]](https://datashield.discourse.group/t/install-a-datashield-server-1hour-tutorial/712)
**Author:** [@wilmar.igl](https://datashield.discourse.group/u/wilmar.igl)\ **Replies:** 9\ **Last updated:** [3 March 2023 17:43 UTC](https://datashield.discourse.group/t/install-a-datashield-server-1hour-tutorial/712 "2023-03-03T17:43:31Z")
Dear all, I have written a tutorial \[1\] on how to install a Federated Analysis server in the cloud using the DataSHIELD software based on Docker technology. I assume that the installation takes less than 1 hour if you … --- ## [opalR database creation](https://datashield.discourse.group/t/opalr-database-creation/727)
**Author:** [@aakkoc](https://datashield.discourse.group/u/aakkoc)\ **Replies:** 1\ **Last updated:** [1 March 2023 16:31 UTC](https://datashield.discourse.group/t/opalr-database-creation/727 "2023-03-01T16:31:57Z")
Hi, While following the OpalR Cookbook Tutorial, I found myself stuck on the following part if (opal.project\_exists(o, "dummy")) opal.project\_delete(o, "dummy") opal.project\_create(o, "dummy", database = TRUE) opal… --- ## [Cannot delete database from DataSHIELD](https://datashield.discourse.group/t/cannot-delete-database-from-datashield/718)
**Author:** [@esalehi](https://datashield.discourse.group/u/esalehi)\ **Replies:** 8\ **Last updated:** [28 February 2023 10:14 UTC](https://datashield.discourse.group/t/cannot-delete-database-from-datashield/718 "2023-02-28T10:14:10Z")
Hello Everyone, I added multiple databases to the DataSHIELD instance of ours for “import” usage, but for one of the databases, the “Unregister” option is missing, although no projects is connected to it (I deleted all … --- ## [2023 DataSHIELD Conference - Save the date!](https://datashield.discourse.group/t/2023-datashield-conference-save-the-date/720)
**Author:** [@becca.wilson](https://datashield.discourse.group/u/becca.wilson)\ **Replies:** 0\ **Last updated:** [21 February 2023 10:40 UTC](https://datashield.discourse.group/t/2023-datashield-conference-save-the-date/720 "2023-02-21T10:40:13Z")
This years DataSHIELD Conference will take place in Groningen, Netherlands 11-13th October 2023. Abstract submission will be open shortly along with venue details. --- ## [DataSHIELD authorization between Project and Database](https://datashield.discourse.group/t/datashield-authorization-between-project-and-database/717)
**Author:** [@esalehi](https://datashield.discourse.group/u/esalehi)\ **Replies:** 1\ **Last updated:** [20 February 2023 15:05 UTC](https://datashield.discourse.group/t/datashield-authorization-between-project-and-database/717 "2023-02-20T15:05:38Z")
Hello Everyone, we have a DataSHIELD instance where we need to habe multiple separated projects with their databases for data import. For example, Project A (with database A) and Project B (with database B). It means th… [Previous page](https://datashield.discourse.group/c/support/21.md?page=1) [Next page](https://datashield.discourse.group/c/support/21.md?page=3)