diff --git a/DESCRIPTION b/DESCRIPTION
index 128217a7..6b081cae 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -50,7 +50,8 @@ Suggests:
     rmarkdown,
     xml2,
     testthat (>= 3.0.0),
-    lmtest
+    lmtest, 
+    R.rsp
 License: GPL-3
 URL: https://github.com/bachmannpatrick/CLVTools
 BugReports: https://github.com/bachmannpatrick/CLVTools/issues
@@ -156,6 +157,6 @@ Collate:
     'pnbd_dyncov_expectation.R'
     'pnbd_dyncov_palive.R'
 RoxygenNote: 7.3.2
-VignetteBuilder: knitr
+VignetteBuilder: knitr, R.rsp
 Config/testthat/parallel: false
 Config/testthat/edition: 3
diff --git a/vignettes/CLVTools_advanced_techniques.pdf b/vignettes/CLVTools_advanced_techniques.pdf
new file mode 100644
index 00000000..9c08383a
Binary files /dev/null and b/vignettes/CLVTools_advanced_techniques.pdf differ
diff --git a/vignettes/CLVTools_advanced_techniques.pdf.asis b/vignettes/CLVTools_advanced_techniques.pdf.asis
new file mode 100644
index 00000000..3783ab5c
--- /dev/null
+++ b/vignettes/CLVTools_advanced_techniques.pdf.asis
@@ -0,0 +1,10 @@
+%\VignetteIndexEntry{Advanced and Very Advanced Modeling Techniques in CLVTools}
+%\VignetteEngine{R.rsp::asis}
+%\VignetteEncoding{UTF-8}
+%\VignetteKeyword{regularization}
+%\VignetteKeyword{correlation}
+%\VignetteKeyword{equality constraints}
+%\VignetteKeyword{endogenous covariates}
+%\VignetteKeyword{hessian}
+%\VignetteKeyword{bootstrapping}
+%\VignetteKeyword{parameter bootstrapping}
diff --git a/vignettes/CLVTools_classes.pdf b/vignettes/CLVTools_classes.pdf
new file mode 100644
index 00000000..5f6927e0
Binary files /dev/null and b/vignettes/CLVTools_classes.pdf differ
diff --git a/vignettes/CLVTools_classes.pdf.asis b/vignettes/CLVTools_classes.pdf.asis
new file mode 100644
index 00000000..f54c2b16
--- /dev/null
+++ b/vignettes/CLVTools_classes.pdf.asis
@@ -0,0 +1,6 @@
+%\VignetteIndexEntry{Classes in CLVTools}
+%\VignetteEngine{R.rsp::asis}
+%\VignetteEncoding{UTF-8}
+%\VignetteKeyword{CLVTools}
+%\VignetteKeyword{classes}
+%\VignetteKeyword{clv.fitted}
diff --git a/vignettes/CLVTools_intuitive_explanations.pdf b/vignettes/CLVTools_intuitive_explanations.pdf
new file mode 100644
index 00000000..1be16b1f
Binary files /dev/null and b/vignettes/CLVTools_intuitive_explanations.pdf differ
diff --git a/vignettes/CLVTools_intuitive_explanations.pdf.asis b/vignettes/CLVTools_intuitive_explanations.pdf.asis
new file mode 100644
index 00000000..c797754c
--- /dev/null
+++ b/vignettes/CLVTools_intuitive_explanations.pdf.asis
@@ -0,0 +1,6 @@
+%\VignetteIndexEntry{Probabilistic Models for Analyzing Customer Purchase Behavior: A Primer}
+%\VignetteEngine{R.rsp::asis}
+%\VignetteEncoding{UTF-8}
+%\VignetteKeyword{customer analysis}
+%\VignetteKeyword{probabilistic models}
+%\VignetteKeyword{intuition}
diff --git a/vignettes/internal_docu/internal_docu.Rmd b/vignettes/internal_docu/internal_docu
similarity index 100%
rename from vignettes/internal_docu/internal_docu.Rmd
rename to vignettes/internal_docu/internal_docu
diff --git a/vignettes/internal_docu/uml_overview.uxf b/vignettes/internal_docu/uml_overview.uxf
new file mode 100644
index 00000000..a710375d
--- /dev/null
+++ b/vignettes/internal_docu/uml_overview.uxf
@@ -0,0 +1,2 @@
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+</panel_attributes><additional_attributes></additional_attributes></element><element><id>UMLClass</id><coordinates><x>590</x><y>80</y><w>190</w><h>30</h></coordinates><panel_attributes>clv.data.static.covariates</panel_attributes><additional_attributes></additional_attributes></element><element><id>UMLClass</id><coordinates><x>590</x><y>140</y><w>190</w><h>30</h></coordinates><panel_attributes>clv.data.dynamic.covariates</panel_attributes><additional_attributes></additional_attributes></element><element><id>Relation</id><coordinates><x>680</x><y>40</y><w>30</w><h>60</h></coordinates><panel_attributes>lt=&lt;&lt;-</panel_attributes><additional_attributes>10;10;10;40</additional_attributes></element><element><id>Relation</id><coordinates><x>680</x><y>100</y><w>30</w><h>60</h></coordinates><panel_attributes>lt=&lt;&lt;-</panel_attributes><additional_attributes>10;10;10;40</additional_attributes></element><element><id>UMLClass</id><coordinates><x>1200</x><y>0</y><w>100</w><h>30</h></coordinates><panel_attributes>/clv.time/</panel_attributes><additional_attributes></additional_attributes></element><element><id>UMLClass</id><coordinates><x>1310</x><y>60</y><w>100</w><h>30</h></coordinates><panel_attributes>/clv.time.date/</panel_attributes><additional_attributes></additional_attributes></element><element><id>UMLClass</id><coordinates><x>1310</x><y>120</y><w>100</w><h>30</h></coordinates><panel_attributes>clv.time.week</panel_attributes><additional_attributes></additional_attributes></element><element><id>UMLClass</id><coordinates><x>1200</x><y>120</y><w>100</w><h>30</h></coordinates><panel_attributes>clv.time.day</panel_attributes><additional_attributes></additional_attributes></element><element><id>UMLClass</id><coordinates><x>1060</x><y>120</y><w>100</w><h>30</h></coordinates><panel_attributes>clv.time.hour</panel_attributes><additional_attributes></additional_attributes></element><element><id>UMLClass</id><coordinates><x>1030</x><y>60</y><w>150</w><h>30</h></coordinates><panel_attributes>/clv.time.datetime/</panel_attributes><additional_attributes></additional_attributes></element><element><id>UMLClass</id><coordinates><x>1420</x><y>120</y><w>100</w><h>30</h></coordinates><panel_attributes>clv.time.year</panel_attributes><additional_attributes></additional_attributes></element><element><id>Relation</id><coordinates><x>1350</x><y>80</y><w>140</w><h>60</h></coordinates><panel_attributes>lt=&lt;&lt;-</panel_attributes><additional_attributes>10;10;10;30;120;30;120;40</additional_attributes></element><element><id>Relation</id><coordinates><x>1100</x><y>20</y><w>170</w><h>60</h></coordinates><panel_attributes>lt=&lt;&lt;-</panel_attributes><additional_attributes>150;10;150;30;10;30;10;40</additional_attributes></element><element><id>Relation</id><coordinates><x>1100</x><y>80</y><w>30</w><h>60</h></coordinates><panel_attributes>lt=&lt;&lt;-</panel_attributes><additional_attributes>10;10;10;40</additional_attributes></element><element><id>Relation</id><coordinates><x>1350</x><y>80</y><w>30</w><h>60</h></coordinates><panel_attributes>lt=&lt;&lt;-</panel_attributes><additional_attributes>10;10;10;40</additional_attributes></element><element><id>Relation</id><coordinates><x>1240</x><y>80</y><w>140</w><h>60</h></coordinates><panel_attributes>lt=&lt;&lt;-</panel_attributes><additional_attributes>120;10;120;30;10;30;10;40</additional_attributes></element><element><id>Relation</id><coordinates><x>1240</x><y>20</y><w>140</w><h>60</h></coordinates><panel_attributes>lt=&lt;&lt;-</panel_attributes><additional_attributes>10;10;10;30;120;30;120;40</additional_attributes></element><element><id>UMLClass</id><coordinates><x>1310</x><y>320</y><w>210</w><h>30</h></coordinates><panel_attributes>/clv.fitted/</panel_attributes><additional_attributes></additional_attributes></element><element><id>UMLClass</id><coordinates><x>800</x><y>480</y><w>100</w><h>30</h></coordinates><panel_attributes>clv.pnbd</panel_attributes><additional_attributes></additional_attributes></element><element><id>UMLClass</id><coordinates><x>910</x><y>480</y><w>100</w><h>30</h></coordinates><panel_attributes>clv.bgnbd</panel_attributes><additional_attributes></additional_attributes></element><element><id>UMLClass</id><coordinates><x>1090</x><y>410</y><w>210</w><h>30</h></coordinates><panel_attributes>/clv.fitted.transactions/</panel_attributes><additional_attributes></additional_attributes></element><element><id>UMLClass</id><coordinates><x>1020</x><y>480</y><w>100</w><h>30</h></coordinates><panel_attributes>clv.ggomnbd</panel_attributes><additional_attributes></additional_attributes></element><element><id>UMLClass</id><coordinates><x>1250</x><y>500</y><w>210</w><h>30</h></coordinates><panel_attributes>clv.fitted.transactions.static.cov</panel_attributes><additional_attributes></additional_attributes></element><element><id>UMLClass</id><coordinates><x>1420</x><y>580</y><w>210</w><h>30</h></coordinates><panel_attributes>clv.fitted.transactions.dynamic.cov</panel_att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