Transformations: Move regression analysis transformation to private preview (#79500)

* move regression analysis transformation to private preview

* fix case

docs/sources/panels-visualizations/query-transform-data/transform-data/index.md

@@ -39,7 +39,7 @@ labels:
     - enterprise
     - oss
 title: Transform data
-description: Use transformations to rename fields, join series data, apply mathematical operations, and more
+description: Use transformations to manipulate your data before visualizations are applied
 weight: 100
 ---
 
@@ -1278,7 +1278,7 @@ There are two different models:
 - **Polynomial regression** - Fits a polynomial function to the data.
   {{< figure src="/static/img/docs/transformations/polynomial-regression.png" class="docs-image--no-shadow" max-width= "1100px" alt="A time series visualization with a curved line representing the polynomial function" >}}
 
-> **Note:** This transformation is an experimental feature. Engineering and on-call support is not available. Documentation is either limited or not provided outside of code comments. No SLA is provided. Enable the `regressionTransformation` feature toggle in Grafana to use this feature. Contact Grafana Support to enable this feature in Grafana Cloud.
+> **Note:** This transformation is currently in private preview. Grafana Labs offers support on a best-effort basis, and breaking changes might occur prior to the feature being made generally available.
 
 {{% docs/reference %}}
 [Table panel]: "/docs/grafana/ -> /docs/grafana/<GRAFANA VERSION>/panels-visualizations/visualizations/table"

docs/sources/setup-grafana/configure-grafana/feature-toggles/index.md

@@ -168,7 +168,6 @@ Experimental features might be changed or removed without prior notice.
 | `logRowsPopoverMenu`                        | Enable filtering menu displayed when text of a log line is selected                                                                                                                                                                                                               |
 | `pluginsSkipHostEnvVars`                    | Disables passing host environment variable to plugin processes                                                                                                                                                                                                                    |
 | `tableSharedCrosshair`                      | Enables shared crosshair in table panel                                                                                                                                                                                                                                           |
-| `regressionTransformation`                  | Enables regression analysis transformation                                                                                                                                                                                                                                        |
 
 ## Development feature toggles
 

pkg/services/featuremgmt/registry.go

@@ -1256,7 +1256,7 @@ var (
 		{
 			Name:         "regressionTransformation",
 			Description:  "Enables regression analysis transformation",
-			Stage:        FeatureStageExperimental,
+			Stage:        FeatureStagePrivatePreview,
 			FrontendOnly: true,
 			Owner:        grafanaBiSquad,
 			Created:      time.Date(2023, time.November, 24, 12, 0, 0, 0, time.UTC),

pkg/services/featuremgmt/toggles_gen.csv

@@ -148,6 +148,6 @@ alertingSimplifiedRouting,experimental,@grafana/alerting-squad,2023-11-10,false,
 logRowsPopoverMenu,experimental,@grafana/observability-logs,2023-11-16,false,false,false,true
 pluginsSkipHostEnvVars,experimental,@grafana/plugins-platform-backend,2023-11-15,false,false,false,false
 tableSharedCrosshair,experimental,@grafana/grafana-bi-squad,2023-12-12,false,false,false,true
-regressionTransformation,experimental,@grafana/grafana-bi-squad,2023-11-24,false,false,false,true
+regressionTransformation,privatePreview,@grafana/grafana-bi-squad,2023-11-24,false,false,false,true
 displayAnonymousStats,GA,@grafana/identity-access-team,2023-11-29,false,false,false,true
 alertStateHistoryAnnotationsFromLoki,experimental,@grafana/alerting-squad,2023-11-30,false,false,true,false

public/app/features/transformers/docs/content.ts

@@ -1385,11 +1385,11 @@ export const transformationDocsContent: TransformationDocsContentType = {
   There are two different models:
 
   - **Linear regression** - Fits a linear function to the data.
-  ${buildImageContent(
-    '/static/img/docs/transformations/linear-regression.png',
-    imageRenderType,
-    'A time series visualization with a straight line representing the linear function'
-  )}
+${buildImageContent(
+  '/static/img/docs/transformations/linear-regression.png',
+  imageRenderType,
+  'A time series visualization with a straight line representing the linear function'
+)}
   - **Polynomial regression** - Fits a polynomial function to the data.
   ${buildImageContent(
     '/static/img/docs/transformations/polynomial-regression.png',
@@ -1397,7 +1397,7 @@ export const transformationDocsContent: TransformationDocsContentType = {
     'A time series visualization with a curved line representing the polynomial function'
   )}
 
-  > **Note:** This transformation is an experimental feature. Engineering and on-call support is not available. Documentation is either limited or not provided outside of code comments. No SLA is provided. Enable the \`regressionTransformation\` feature toggle in Grafana to use this feature. Contact Grafana Support to enable this feature in Grafana Cloud.
+  > **Note:** This transformation is currently in private preview. Grafana Labs offers support on a best-effort basis, and breaking changes might occur prior to the feature being made generally available.
   `;
     },
   },