diff --git a/DESCRIPTION b/DESCRIPTION
index e3e824c..e0124d7 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -12,7 +12,7 @@ Depends: R (>= 3.6.0)
 License: GPL-3 + file LICENSE
 URL: https://github.com/montilab/hypeR
 Encoding: UTF-8
-RoxygenNote: 7.1.2
+RoxygenNote: 7.2.3
 LazyData: false
 Imports:
     ggplot2,
diff --git a/man/gsets.Rd b/man/gsets.Rd
index 27e2233..8a4d47b 100644
--- a/man/gsets.Rd
+++ b/man/gsets.Rd
@@ -37,17 +37,17 @@ print(gsets_obj)
 \section{Methods}{
 \subsection{Public methods}{
 \itemize{
-\item \href{#method-new}{\code{gsets$new()}}
-\item \href{#method-print}{\code{gsets$print()}}
-\item \href{#method-list}{\code{gsets$list()}}
-\item \href{#method-info}{\code{gsets$info()}}
-\item \href{#method-reduce}{\code{gsets$reduce()}}
-\item \href{#method-clone}{\code{gsets$clone()}}
+\item \href{#method-gsets-new}{\code{gsets$new()}}
+\item \href{#method-gsets-print}{\code{gsets$print()}}
+\item \href{#method-gsets-list}{\code{gsets$list()}}
+\item \href{#method-gsets-info}{\code{gsets$info()}}
+\item \href{#method-gsets-reduce}{\code{gsets$reduce()}}
+\item \href{#method-gsets-clone}{\code{gsets$clone()}}
 }
 }
 \if{html}{\out{<hr>}}
-\if{html}{\out{<a id="method-new"></a>}}
-\if{latex}{\out{\hypertarget{method-new}{}}}
+\if{html}{\out{<a id="method-gsets-new"></a>}}
+\if{latex}{\out{\hypertarget{method-gsets-new}{}}}
 \subsection{Method \code{new()}}{
 Create a gsets object
 \subsection{Usage}{
@@ -80,8 +80,8 @@ A new gsets object
 }
 }
 \if{html}{\out{<hr>}}
-\if{html}{\out{<a id="method-print"></a>}}
-\if{latex}{\out{\hypertarget{method-print}{}}}
+\if{html}{\out{<a id="method-gsets-print"></a>}}
+\if{latex}{\out{\hypertarget{method-gsets-print}{}}}
 \subsection{Method \code{print()}}{
 Print genesets information
 \subsection{Usage}{
@@ -93,8 +93,8 @@ NULL
 }
 }
 \if{html}{\out{<hr>}}
-\if{html}{\out{<a id="method-list"></a>}}
-\if{latex}{\out{\hypertarget{method-list}{}}}
+\if{html}{\out{<a id="method-gsets-list"></a>}}
+\if{latex}{\out{\hypertarget{method-gsets-list}{}}}
 \subsection{Method \code{list()}}{
 Return genesets as a list
 \subsection{Usage}{
@@ -106,8 +106,8 @@ A list of genesets
 }
 }
 \if{html}{\out{<hr>}}
-\if{html}{\out{<a id="method-info"></a>}}
-\if{latex}{\out{\hypertarget{method-info}{}}}
+\if{html}{\out{<a id="method-gsets-info"></a>}}
+\if{latex}{\out{\hypertarget{method-gsets-info}{}}}
 \subsection{Method \code{info()}}{
 Returns versioning information
 \subsection{Usage}{
@@ -119,8 +119,8 @@ A character vector with name and version
 }
 }
 \if{html}{\out{<hr>}}
-\if{html}{\out{<a id="method-reduce"></a>}}
-\if{latex}{\out{\hypertarget{method-reduce}{}}}
+\if{html}{\out{<a id="method-gsets-reduce"></a>}}
+\if{latex}{\out{\hypertarget{method-gsets-reduce}{}}}
 \subsection{Method \code{reduce()}}{
 Reduces genesets to a background distribution of symbols
 \subsection{Usage}{
@@ -139,8 +139,8 @@ A gsets object
 }
 }
 \if{html}{\out{<hr>}}
-\if{html}{\out{<a id="method-clone"></a>}}
-\if{latex}{\out{\hypertarget{method-clone}{}}}
+\if{html}{\out{<a id="method-gsets-clone"></a>}}
+\if{latex}{\out{\hypertarget{method-gsets-clone}{}}}
 \subsection{Method \code{clone()}}{
 The objects of this class are cloneable with this method.
 \subsection{Usage}{
diff --git a/man/hyp.Rd b/man/hyp.Rd
index 7ec2447..0a312ca 100644
--- a/man/hyp.Rd
+++ b/man/hyp.Rd
@@ -36,15 +36,15 @@ hyp_obj <- hyp$new(data, args=args)
 \section{Methods}{
 \subsection{Public methods}{
 \itemize{
-\item \href{#method-new}{\code{hyp$new()}}
-\item \href{#method-print}{\code{hyp$print()}}
-\item \href{#method-as.data.frame}{\code{hyp$as.data.frame()}}
-\item \href{#method-clone}{\code{hyp$clone()}}
+\item \href{#method-hyp-new}{\code{hyp$new()}}
+\item \href{#method-hyp-print}{\code{hyp$print()}}
+\item \href{#method-hyp-as.data.frame}{\code{hyp$as.data.frame()}}
+\item \href{#method-hyp-clone}{\code{hyp$clone()}}
 }
 }
 \if{html}{\out{<hr>}}
-\if{html}{\out{<a id="method-new"></a>}}
-\if{latex}{\out{\hypertarget{method-new}{}}}
+\if{html}{\out{<a id="method-hyp-new"></a>}}
+\if{latex}{\out{\hypertarget{method-hyp-new}{}}}
 \subsection{Method \code{new()}}{
 Create a hyp object
 \subsection{Usage}{
@@ -69,8 +69,8 @@ A new hyp object
 }
 }
 \if{html}{\out{<hr>}}
-\if{html}{\out{<a id="method-print"></a>}}
-\if{latex}{\out{\hypertarget{method-print}{}}}
+\if{html}{\out{<a id="method-hyp-print"></a>}}
+\if{latex}{\out{\hypertarget{method-hyp-print}{}}}
 \subsection{Method \code{print()}}{
 Print hyp obect
 \subsection{Usage}{
@@ -82,8 +82,8 @@ NULL
 }
 }
 \if{html}{\out{<hr>}}
-\if{html}{\out{<a id="method-as.data.frame"></a>}}
-\if{latex}{\out{\hypertarget{method-as.data.frame}{}}}
+\if{html}{\out{<a id="method-hyp-as.data.frame"></a>}}
+\if{latex}{\out{\hypertarget{method-hyp-as.data.frame}{}}}
 \subsection{Method \code{as.data.frame()}}{
 Extract dataframe from hyp obect
 \subsection{Usage}{
@@ -95,8 +95,8 @@ NULL
 }
 }
 \if{html}{\out{<hr>}}
-\if{html}{\out{<a id="method-clone"></a>}}
-\if{latex}{\out{\hypertarget{method-clone}{}}}
+\if{html}{\out{<a id="method-hyp-clone"></a>}}
+\if{latex}{\out{\hypertarget{method-hyp-clone}{}}}
 \subsection{Method \code{clone()}}{
 The objects of this class are cloneable with this method.
 \subsection{Usage}{
diff --git a/man/multihyp.Rd b/man/multihyp.Rd
index 2f7fb44..0b6316e 100644
--- a/man/multihyp.Rd
+++ b/man/multihyp.Rd
@@ -32,15 +32,15 @@ multihyp_obj <- multihyp$new(data)
 \section{Methods}{
 \subsection{Public methods}{
 \itemize{
-\item \href{#method-new}{\code{multihyp$new()}}
-\item \href{#method-print}{\code{multihyp$print()}}
-\item \href{#method-as.list}{\code{multihyp$as.list()}}
-\item \href{#method-clone}{\code{multihyp$clone()}}
+\item \href{#method-multihyp-new}{\code{multihyp$new()}}
+\item \href{#method-multihyp-print}{\code{multihyp$print()}}
+\item \href{#method-multihyp-as.list}{\code{multihyp$as.list()}}
+\item \href{#method-multihyp-clone}{\code{multihyp$clone()}}
 }
 }
 \if{html}{\out{<hr>}}
-\if{html}{\out{<a id="method-new"></a>}}
-\if{latex}{\out{\hypertarget{method-new}{}}}
+\if{html}{\out{<a id="method-multihyp-new"></a>}}
+\if{latex}{\out{\hypertarget{method-multihyp-new}{}}}
 \subsection{Method \code{new()}}{
 Create a multihyp object
 \subsection{Usage}{
@@ -59,8 +59,8 @@ A new multihyp object
 }
 }
 \if{html}{\out{<hr>}}
-\if{html}{\out{<a id="method-print"></a>}}
-\if{latex}{\out{\hypertarget{method-print}{}}}
+\if{html}{\out{<a id="method-multihyp-print"></a>}}
+\if{latex}{\out{\hypertarget{method-multihyp-print}{}}}
 \subsection{Method \code{print()}}{
 Print multihyp obect
 \subsection{Usage}{
@@ -72,8 +72,8 @@ NULL
 }
 }
 \if{html}{\out{<hr>}}
-\if{html}{\out{<a id="method-as.list"></a>}}
-\if{latex}{\out{\hypertarget{method-as.list}{}}}
+\if{html}{\out{<a id="method-multihyp-as.list"></a>}}
+\if{latex}{\out{\hypertarget{method-multihyp-as.list}{}}}
 \subsection{Method \code{as.list()}}{
 Print multihyp obect
 \subsection{Usage}{
@@ -85,8 +85,8 @@ A list of hyp objects as dataframes
 }
 }
 \if{html}{\out{<hr>}}
-\if{html}{\out{<a id="method-clone"></a>}}
-\if{latex}{\out{\hypertarget{method-clone}{}}}
+\if{html}{\out{<a id="method-multihyp-clone"></a>}}
+\if{latex}{\out{\hypertarget{method-multihyp-clone}{}}}
 \subsection{Method \code{clone()}}{
 The objects of this class are cloneable with this method.
 \subsection{Usage}{
diff --git a/man/pvector.Rd b/man/pvector.Rd
index 8f8efb4..e1c2b2e 100644
--- a/man/pvector.Rd
+++ b/man/pvector.Rd
@@ -19,17 +19,17 @@ A push/pop capable vector
 \section{Methods}{
 \subsection{Public methods}{
 \itemize{
-\item \href{#method-new}{\code{pvector$new()}}
-\item \href{#method-print}{\code{pvector$print()}}
-\item \href{#method-length}{\code{pvector$length()}}
-\item \href{#method-pop}{\code{pvector$pop()}}
-\item \href{#method-push}{\code{pvector$push()}}
-\item \href{#method-clone}{\code{pvector$clone()}}
+\item \href{#method-pvector-new}{\code{pvector$new()}}
+\item \href{#method-pvector-print}{\code{pvector$print()}}
+\item \href{#method-pvector-length}{\code{pvector$length()}}
+\item \href{#method-pvector-pop}{\code{pvector$pop()}}
+\item \href{#method-pvector-push}{\code{pvector$push()}}
+\item \href{#method-pvector-clone}{\code{pvector$clone()}}
 }
 }
 \if{html}{\out{<hr>}}
-\if{html}{\out{<a id="method-new"></a>}}
-\if{latex}{\out{\hypertarget{method-new}{}}}
+\if{html}{\out{<a id="method-pvector-new"></a>}}
+\if{latex}{\out{\hypertarget{method-pvector-new}{}}}
 \subsection{Method \code{new()}}{
 Create a pvector
 \subsection{Usage}{
@@ -48,8 +48,8 @@ A new pvector
 }
 }
 \if{html}{\out{<hr>}}
-\if{html}{\out{<a id="method-print"></a>}}
-\if{latex}{\out{\hypertarget{method-print}{}}}
+\if{html}{\out{<a id="method-pvector-print"></a>}}
+\if{latex}{\out{\hypertarget{method-pvector-print}{}}}
 \subsection{Method \code{print()}}{
 Print pvector
 \subsection{Usage}{
@@ -61,8 +61,8 @@ NULL
 }
 }
 \if{html}{\out{<hr>}}
-\if{html}{\out{<a id="method-length"></a>}}
-\if{latex}{\out{\hypertarget{method-length}{}}}
+\if{html}{\out{<a id="method-pvector-length"></a>}}
+\if{latex}{\out{\hypertarget{method-pvector-length}{}}}
 \subsection{Method \code{length()}}{
 Get length of pvector
 \subsection{Usage}{
@@ -74,8 +74,8 @@ An integer
 }
 }
 \if{html}{\out{<hr>}}
-\if{html}{\out{<a id="method-pop"></a>}}
-\if{latex}{\out{\hypertarget{method-pop}{}}}
+\if{html}{\out{<a id="method-pvector-pop"></a>}}
+\if{latex}{\out{\hypertarget{method-pvector-pop}{}}}
 \subsection{Method \code{pop()}}{
 Pop vector
 \subsection{Usage}{
@@ -87,8 +87,8 @@ Popped value
 }
 }
 \if{html}{\out{<hr>}}
-\if{html}{\out{<a id="method-push"></a>}}
-\if{latex}{\out{\hypertarget{method-push}{}}}
+\if{html}{\out{<a id="method-pvector-push"></a>}}
+\if{latex}{\out{\hypertarget{method-pvector-push}{}}}
 \subsection{Method \code{push()}}{
 Push values
 \subsection{Usage}{
@@ -107,8 +107,8 @@ NULL
 }
 }
 \if{html}{\out{<hr>}}
-\if{html}{\out{<a id="method-clone"></a>}}
-\if{latex}{\out{\hypertarget{method-clone}{}}}
+\if{html}{\out{<a id="method-pvector-clone"></a>}}
+\if{latex}{\out{\hypertarget{method-pvector-clone}{}}}
 \subsection{Method \code{clone()}}{
 The objects of this class are cloneable with this method.
 \subsection{Usage}{
diff --git a/man/rgsets.Rd b/man/rgsets.Rd
index 29dc71d..d010f37 100644
--- a/man/rgsets.Rd
+++ b/man/rgsets.Rd
@@ -32,17 +32,17 @@ A relational genesets object
 \section{Methods}{
 \subsection{Public methods}{
 \itemize{
-\item \href{#method-new}{\code{rgsets$new()}}
-\item \href{#method-print}{\code{rgsets$print()}}
-\item \href{#method-info}{\code{rgsets$info()}}
-\item \href{#method-reduce}{\code{rgsets$reduce()}}
-\item \href{#method-subset}{\code{rgsets$subset()}}
-\item \href{#method-clone}{\code{rgsets$clone()}}
+\item \href{#method-rgsets-new}{\code{rgsets$new()}}
+\item \href{#method-rgsets-print}{\code{rgsets$print()}}
+\item \href{#method-rgsets-info}{\code{rgsets$info()}}
+\item \href{#method-rgsets-reduce}{\code{rgsets$reduce()}}
+\item \href{#method-rgsets-subset}{\code{rgsets$subset()}}
+\item \href{#method-rgsets-clone}{\code{rgsets$clone()}}
 }
 }
 \if{html}{\out{<hr>}}
-\if{html}{\out{<a id="method-new"></a>}}
-\if{latex}{\out{\hypertarget{method-new}{}}}
+\if{html}{\out{<a id="method-rgsets-new"></a>}}
+\if{latex}{\out{\hypertarget{method-rgsets-new}{}}}
 \subsection{Method \code{new()}}{
 Create a rgsets object
 \subsection{Usage}{
@@ -78,8 +78,8 @@ A new rgsets object
 }
 }
 \if{html}{\out{<hr>}}
-\if{html}{\out{<a id="method-print"></a>}}
-\if{latex}{\out{\hypertarget{method-print}{}}}
+\if{html}{\out{<a id="method-rgsets-print"></a>}}
+\if{latex}{\out{\hypertarget{method-rgsets-print}{}}}
 \subsection{Method \code{print()}}{
 Print relational genesets information
 \subsection{Usage}{
@@ -91,8 +91,8 @@ NULL
 }
 }
 \if{html}{\out{<hr>}}
-\if{html}{\out{<a id="method-info"></a>}}
-\if{latex}{\out{\hypertarget{method-info}{}}}
+\if{html}{\out{<a id="method-rgsets-info"></a>}}
+\if{latex}{\out{\hypertarget{method-rgsets-info}{}}}
 \subsection{Method \code{info()}}{
 Returns versioning information
 \subsection{Usage}{
@@ -104,8 +104,8 @@ A character vector with name and version
 }
 }
 \if{html}{\out{<hr>}}
-\if{html}{\out{<a id="method-reduce"></a>}}
-\if{latex}{\out{\hypertarget{method-reduce}{}}}
+\if{html}{\out{<a id="method-rgsets-reduce"></a>}}
+\if{latex}{\out{\hypertarget{method-rgsets-reduce}{}}}
 \subsection{Method \code{reduce()}}{
 Reduces genesets to a background distribution of symbols
 \subsection{Usage}{
@@ -124,8 +124,8 @@ A rgsets object
 }
 }
 \if{html}{\out{<hr>}}
-\if{html}{\out{<a id="method-subset"></a>}}
-\if{latex}{\out{\hypertarget{method-subset}{}}}
+\if{html}{\out{<a id="method-rgsets-subset"></a>}}
+\if{latex}{\out{\hypertarget{method-rgsets-subset}{}}}
 \subsection{Method \code{subset()}}{
 Subsets genesets on a character vector of labels
 \subsection{Usage}{
@@ -144,8 +144,8 @@ A rgsets object
 }
 }
 \if{html}{\out{<hr>}}
-\if{html}{\out{<a id="method-clone"></a>}}
-\if{latex}{\out{\hypertarget{method-clone}{}}}
+\if{html}{\out{<a id="method-rgsets-clone"></a>}}
+\if{latex}{\out{\hypertarget{method-rgsets-clone}{}}}
 \subsection{Method \code{clone()}}{
 The objects of this class are cloneable with this method.
 \subsection{Usage}{