# Synthetic Data Creation **URL:** https://forum.datacebo.com/c/synthetic-data-creation/20.md?page=1 [Latest](https://forum.datacebo.com/latest.md) · [Categories](https://forum.datacebo.com/categories.md) · [Tags](https://forum.datacebo.com/tags.md) **Page:** 2 --- ## [\[Resolved\] Error when fitting HSASynthesizer](https://forum.datacebo.com/t/resolved-error-when-fitting-hsasynthesizer/174)
**Author:** [@ashok.kumar.muthimen](https://forum.datacebo.com/u/ashok.kumar.muthimen)\ **Replies:** 1\ **Last updated:** [May 2, 2024, 2:35pm UTC](https://forum.datacebo.com/t/resolved-error-when-fitting-hsasynthesizer/174 "2024-05-02T14:35:02Z")
Hi @neha , facing issue while creating datafarme from synthsized data. hsas = HSASynthesizer(metadata) hsas.fit(data) Traceback (most recent call last): File “”, line 1, in File “/sasdata/python3.8/lib/python3.8… --- ## [\[Resolved\] InvalidDataError: All references in table are unknown and must be dropped](https://forum.datacebo.com/t/resolved-invaliddataerror-all-references-in-table-are-unknown-and-must-be-dropped/172)
**Author:** [@neha](https://forum.datacebo.com/u/neha)\ **Replies:** 3\ **Last updated:** [May 2, 2024, 2:24pm UTC](https://forum.datacebo.com/t/resolved-invaliddataerror-all-references-in-table-are-unknown-and-must-be-dropped/172 "2024-05-02T14:24:49Z")
Hi @ashok.kumar.muthimen and @kalyan I am starting this new topic to specifically discuss the error you are seeing when you are using drop\_unknown\_references. Here is the link to the original thread. Traceback (most rec… --- ## [\[Resolved\] TypeError: ufunc 'isinf' not supported for the input types](https://forum.datacebo.com/t/resolved-typeerror-ufunc-isinf-not-supported-for-the-input-types/133)
**Author:** [@anna.popovychenko](https://forum.datacebo.com/u/anna.popovychenko)\ **Replies:** 7\ **Last updated:** [April 29, 2024, 10:52pm UTC](https://forum.datacebo.com/t/resolved-typeerror-ufunc-isinf-not-supported-for-the-input-types/133 "2024-04-29T22:52:57Z")
Hello, I get bellow error during hsasynthesizer.fit(): Traceback (most recent call last): File “C:\\Users\\anna.popovychenko\\project\\sdv\_trial\\gen.py”, line 74, in synthesizer.fit(real\_data) File “C:\\Users\\anna.popov… --- ## [Anonymize a specific categorical column, for example Bank name](https://forum.datacebo.com/t/anonymize-a-specific-categorical-column-for-example-bank-name/166)
**Author:** [@kalyan](https://forum.datacebo.com/u/kalyan)\ **Replies:** 1\ **Last updated:** [April 29, 2024, 10:18pm UTC](https://forum.datacebo.com/t/anonymize-a-specific-categorical-column-for-example-bank-name/166 "2024-04-29T22:18:31Z")
Imagine, in your transactions data, you have a column that has the bank name with which the transaction happened. So this column could have names like Citibank, Bank of America and Key Bank etc. Would it be possible to c… --- ## [\[Resolved\] Specifying regex format for ID columns](https://forum.datacebo.com/t/resolved-specifying-regex-format-for-id-columns/163)
**Author:** [@kalyan](https://forum.datacebo.com/u/kalyan)\ **Replies:** 8\ **Last updated:** [April 29, 2024, 10:06pm UTC](https://forum.datacebo.com/t/resolved-specifying-regex-format-for-id-columns/163 "2024-04-29T22:06:42Z")
Hi @ashok.kumar.muthimen for ID columns you can specify regex format so what is generated follows the format. This is in the metadata. You can read the documentation here: Sdtypes | Synthetic Data Vault You can edit the… --- ## [\[Resolved\] Metadata detect](https://forum.datacebo.com/t/resolved-metadata-detect/156)
**Author:** [@ashok.kumar.muthimen](https://forum.datacebo.com/u/ashok.kumar.muthimen)\ **Replies:** 27\ **Last updated:** [April 29, 2024, 10:00pm UTC](https://forum.datacebo.com/t/resolved-metadata-detect/156 "2024-04-29T22:00:31Z")
I just started synthetic data generation for one of our table with test data by importing csv file. Facing issue with metadata detection . ValueError: The truth value of a DataFrame is ambiguous. Use a.empty, a.bool(), … --- ## [\[Duplicate\] Set character limit in DayZ (update parameters for faking data)](https://forum.datacebo.com/t/duplicate-set-character-limit-in-dayz-update-parameters-for-faking-data/152)
**Author:** [@epicvu](https://forum.datacebo.com/u/epicvu)\ **Replies:** 5\ **Last updated:** [April 4, 2024, 8:25am UTC](https://forum.datacebo.com/t/duplicate-set-character-limit-in-dayz-update-parameters-for-faking-data/152 "2024-04-04T08:25:37Z")
Hey it’s me again… I have a little question about characters amount when asking for ‘text’ and ‘numerical’ sdtypes. How can I enforce the number of characters ? Let’s say that my numerical should be 9 digits I know that… --- ## [Allow setting Faker parameters in DayZ](https://forum.datacebo.com/t/allow-setting-faker-parameters-in-dayz/159)
**Author:** [@neha](https://forum.datacebo.com/u/neha)\ **Replies:** 0\ **Last updated:** [April 3, 2024, 9:58pm UTC](https://forum.datacebo.com/t/allow-setting-faker-parameters-in-dayz/159 "2024-04-03T21:58:54Z")
This is a general feature request for an integration with Faker and the DayZSynthesizer. Problem The DayZSynthesizer is currently set up to use the metadata’s sdtype to create realistic data. If the sdtype is set to som… --- ## [\[Resolved\] HSA phone\_numbers fitting problems](https://forum.datacebo.com/t/resolved-hsa-phone-numbers-fitting-problems/151)
**Author:** [@epicvu](https://forum.datacebo.com/u/epicvu)\ **Replies:** 3\ **Last updated:** [March 27, 2024, 1:39pm UTC](https://forum.datacebo.com/t/resolved-hsa-phone-numbers-fitting-problems/151 "2024-03-27T13:39:36Z")
Hi, I am currently working on HSASynthesizer trying to fit my data. I modified the one of the sdtypes of my column to ‘phone\_number’ and when I fit the data it gives me this message error : ValueError: Phone number (638… --- ## [DayZSynthesizer get\_parameters()](https://forum.datacebo.com/t/dayzsynthesizer-get-parameters/150)
**Author:** [@epicvu](https://forum.datacebo.com/u/epicvu)\ **Replies:** 3\ **Last updated:** [March 20, 2024, 7:39pm UTC](https://forum.datacebo.com/t/dayzsynthesizer-get-parameters/150 "2024-03-20T19:39:06Z")
Hi, I am still looking around the multi table DayZ synthesizer and I was wondering why you guys have the get\_parameters function and not a set\_parameters function where we can load like a JSON file explaining all the pa… --- ## [Support locale-based column relationships in DayZSynthesizer](https://forum.datacebo.com/t/support-locale-based-column-relationships-in-dayzsynthesizer/144)
**Author:** [@epicvu](https://forum.datacebo.com/u/epicvu)\ **Replies:** 6\ **Last updated:** [March 18, 2024, 3:10pm UTC](https://forum.datacebo.com/t/support-locale-based-column-relationships-in-dayzsynthesizer/144 "2024-03-18T15:10:03Z")
Hello! As said on Slack, I am currently working with DayZSynthesizer. I asked for locales = fr\_FR in the synthesizer settings for 2 columns (country code and address). The addresses seem to have french names but the coun… --- ## [Enhancing realism between user's name and email](https://forum.datacebo.com/t/enhancing-realism-between-users-name-and-email/146)
**Author:** [@epicvu](https://forum.datacebo.com/u/epicvu)\ **Replies:** 3\ **Last updated:** [March 15, 2024, 11:24am UTC](https://forum.datacebo.com/t/enhancing-realism-between-users-name-and-email/146 "2024-03-15T11:24:01Z")
Hello! I have a little suggestion to make about a relationship that I encountered in my workflow. Since we are trying to achieve some sort of realism in the synthetic data, would it be nice to create a column relationshi… --- ## [\[Resolved\] Inequality constraint for 2 datetime columns](https://forum.datacebo.com/t/resolved-inequality-constraint-for-2-datetime-columns/135)
**Author:** [@anna.popovychenko](https://forum.datacebo.com/u/anna.popovychenko)\ **Replies:** 4\ **Last updated:** [February 22, 2024, 9:24am UTC](https://forum.datacebo.com/t/resolved-inequality-constraint-for-2-datetime-columns/135 "2024-02-22T09:24:07Z")
Hello, I’m trying to apply below constraint for 2 datetime columns: subtr\_close\_date\_ineq\_constr = { 'constraint\_class': 'Inequality', 'table\_name': 'SubtrajectData', 'constraint\_parameters': { … [Previous page](https://forum.datacebo.com/c/synthetic-data-creation/20.md)