diff --git a/NAMESPACE b/NAMESPACE
index 513c28e..20aa3d7 100644
--- a/NAMESPACE
+++ b/NAMESPACE
@@ -1,11 +1,16 @@
 # Generated by roxygen2: do not edit by hand
 
 S3method(cut,hms)
+export(add_class_icon)
+export(add_sparkline)
 export(argsstring2list)
 export(baseline_table)
+export(create_overview_datagrid)
 export(custom_theme)
 export(cut_variable_server)
 export(cut_variable_ui)
+export(data_summary_server)
+export(data_summary_ui)
 export(default_format_arguments)
 export(default_parsing)
 export(factorize)
@@ -14,21 +19,29 @@ export(format_writer)
 export(getfun)
 export(index_embed)
 export(is_any_class)
+export(is_consecutive)
 export(is_datetime)
+export(m_datafileUI)
 export(m_redcap_readServer)
 export(m_redcap_readUI)
 export(modal_cut_variable)
 export(modify_qmd)
+export(overview_vars)
 export(read_input)
 export(regression_model)
 export(regression_model_uv)
 export(regression_table)
+export(remove_na_attr)
 export(shiny_freesearcheR)
 export(specify_qmd_format)
 export(tbl_merge)
+export(update_variables_server)
+export(update_variables_ui)
 export(winbox_cut_variable)
 export(write_quarto)
 importFrom(classInt,classIntervals)
+importFrom(data.table,as.data.table)
+importFrom(data.table,data.table)
 importFrom(graphics,abline)
 importFrom(graphics,axis)
 importFrom(graphics,hist)
@@ -40,6 +53,7 @@ importFrom(rlang,"%||%")
 importFrom(rlang,call2)
 importFrom(rlang,expr)
 importFrom(rlang,set_names)
+importFrom(rlang,sym)
 importFrom(rlang,syms)
 importFrom(shiny,NS)
 importFrom(shiny,bindEvent)
@@ -68,3 +82,4 @@ importFrom(toastui,datagrid)
 importFrom(toastui,datagridOutput2)
 importFrom(toastui,grid_colorbar)
 importFrom(toastui,renderDatagrid2)
+importFrom(utils,type.convert)
diff --git a/R/data-summary.R b/R/data-summary.R
index 20f8e9f..3367b6d 100644
--- a/R/data-summary.R
+++ b/R/data-summary.R
@@ -126,7 +126,7 @@ add_sparkline <- function(grid, column = "vals", color.main = "#2a8484", color.s
 #'
 #' @param data vector
 #'
-#' @returns
+#' @returns logical
 #' @export
 #'
 #' @examples
@@ -233,6 +233,10 @@ create_overview_datagrid <- function(data) {
 #' @export
 #'
 #' @examples
+#' mtcars |>
+#'   overview_vars() |>
+#'   toastui::datagrid() |>
+#'   add_class_icon()
 add_class_icon <- function(grid, column = "class") {
   out <- toastui::grid_format(
     grid = grid,
diff --git a/R/update-variables-ext.R b/R/update-variables-ext.R
index 2407db7..6d78b97 100644
--- a/R/update-variables-ext.R
+++ b/R/update-variables-ext.R
@@ -386,8 +386,14 @@ add_var_toset <- function(data, var_name, default = "") {
   data[, datanames]
 }
 
-#' @importFrom toastui datagrid grid_columns grid_format grid_style_column
-#'  grid_style_column grid_editor grid_editor_opts grid_selection_row
+#' Modified from the datamods pacakge
+#'
+#' @param data data
+#'
+#' @param height height
+#' @param selectionId selectionId
+#' @param buttonId buttonId
+#'
 #' @examples
 #' mtcars |>
 #'   summary_vars() |>
diff --git a/man/add_class_icon.Rd b/man/add_class_icon.Rd
new file mode 100644
index 0000000..e21aeb3
--- /dev/null
+++ b/man/add_class_icon.Rd
@@ -0,0 +1,25 @@
+% Generated by roxygen2: do not edit by hand
+% Please edit documentation in R/data-summary.R
+\name{add_class_icon}
+\alias{add_class_icon}
+\title{Convert class grid column to icon}
+\usage{
+add_class_icon(grid, column = "class")
+}
+\arguments{
+\item{grid}{grid}
+
+\item{column}{column}
+}
+\value{
+datagrid
+}
+\description{
+Convert class grid column to icon
+}
+\examples{
+mtcars |>
+  overview_vars() |>
+  toastui::datagrid() |>
+  add_class_icon()
+}
diff --git a/man/add_sparkline.Rd b/man/add_sparkline.Rd
new file mode 100644
index 0000000..5439c35
--- /dev/null
+++ b/man/add_sparkline.Rd
@@ -0,0 +1,32 @@
+% Generated by roxygen2: do not edit by hand
+% Please edit documentation in R/data-summary.R
+\name{add_sparkline}
+\alias{add_sparkline}
+\title{Add sparkline to datagrid}
+\usage{
+add_sparkline(
+  grid,
+  column = "vals",
+  color.main = "#2a8484",
+  color.sec = "#84EF84"
+)
+}
+\arguments{
+\item{grid}{grid}
+
+\item{column}{clumn to transform}
+}
+\value{
+datagrid
+}
+\description{
+Add sparkline to datagrid
+}
+\examples{
+grid <- mtcars |>
+  default_parsing() |>
+  overview_vars() |>
+  toastui::datagrid() |>
+  add_sparkline()
+grid
+}
diff --git a/man/create_overview_datagrid.Rd b/man/create_overview_datagrid.Rd
new file mode 100644
index 0000000..d8a1731
--- /dev/null
+++ b/man/create_overview_datagrid.Rd
@@ -0,0 +1,22 @@
+% Generated by roxygen2: do not edit by hand
+% Please edit documentation in R/data-summary.R
+\name{create_overview_datagrid}
+\alias{create_overview_datagrid}
+\title{Create a data overview datagrid}
+\usage{
+create_overview_datagrid(data)
+}
+\arguments{
+\item{data}{data}
+}
+\value{
+datagrid
+}
+\description{
+Create a data overview datagrid
+}
+\examples{
+mtcars |>
+  overview_vars() |>
+  create_overview_datagrid()
+}
diff --git a/man/data-summary.Rd b/man/data-summary.Rd
new file mode 100644
index 0000000..7d0e8fb
--- /dev/null
+++ b/man/data-summary.Rd
@@ -0,0 +1,29 @@
+% Generated by roxygen2: do not edit by hand
+% Please edit documentation in R/data-summary.R
+\name{data-summary}
+\alias{data-summary}
+\alias{data_summary_ui}
+\alias{data_summary_server}
+\title{Data summary module}
+\usage{
+data_summary_ui(id)
+
+data_summary_server(id, data, color.main, color.sec)
+}
+\arguments{
+\item{id}{id}
+
+\item{data}{data}
+
+\item{color.main}{main color}
+
+\item{color.sec}{secondary color}
+}
+\value{
+Shiny ui module
+
+shiny server module
+}
+\description{
+Data summary module
+}
diff --git a/man/is_consecutive.Rd b/man/is_consecutive.Rd
new file mode 100644
index 0000000..9d24026
--- /dev/null
+++ b/man/is_consecutive.Rd
@@ -0,0 +1,21 @@
+% Generated by roxygen2: do not edit by hand
+% Please edit documentation in R/data-summary.R
+\name{is_consecutive}
+\alias{is_consecutive}
+\title{Checks if elements in vector are equally spaced as indication of ID}
+\usage{
+is_consecutive(data)
+}
+\arguments{
+\item{data}{vector}
+}
+\value{
+logical
+}
+\description{
+Checks if elements in vector are equally spaced as indication of ID
+}
+\examples{
+1:10 |> is_consecutive()
+sample(1:100,40) |> is_consecutive()
+}
diff --git a/man/m_datafileUI.Rd b/man/m_datafileUI.Rd
new file mode 100644
index 0000000..c10a254
--- /dev/null
+++ b/man/m_datafileUI.Rd
@@ -0,0 +1,17 @@
+% Generated by roxygen2: do not edit by hand
+% Please edit documentation in R/file-import-module.R
+\name{m_datafileUI}
+\alias{m_datafileUI}
+\title{Shiny UI module to load a data file}
+\usage{
+m_datafileUI(id)
+}
+\arguments{
+\item{id}{id}
+}
+\value{
+shiny UI
+}
+\description{
+Shiny UI module to load a data file
+}
diff --git a/man/overview_vars.Rd b/man/overview_vars.Rd
new file mode 100644
index 0000000..4412945
--- /dev/null
+++ b/man/overview_vars.Rd
@@ -0,0 +1,20 @@
+% Generated by roxygen2: do not edit by hand
+% Please edit documentation in R/data-summary.R
+\name{overview_vars}
+\alias{overview_vars}
+\title{Create a data overview data.frame ready for sparklines}
+\usage{
+overview_vars(data)
+}
+\arguments{
+\item{data}{data}
+}
+\value{
+data.frame
+}
+\description{
+Create a data overview data.frame ready for sparklines
+}
+\examples{
+mtcars |> overview_vars()
+}
diff --git a/man/remove_na_attr.Rd b/man/remove_na_attr.Rd
new file mode 100644
index 0000000..e5e01f8
--- /dev/null
+++ b/man/remove_na_attr.Rd
@@ -0,0 +1,21 @@
+% Generated by roxygen2: do not edit by hand
+% Please edit documentation in R/helpers.R
+\name{remove_na_attr}
+\alias{remove_na_attr}
+\title{Remove NA labels}
+\usage{
+remove_na_attr(data, attr = "label")
+}
+\arguments{
+\item{data}{data}
+}
+\value{
+data.frame
+}
+\description{
+Remove NA labels
+}
+\examples{
+ds <- mtcars |> lapply(\(.x) REDCapCAST::set_attr(.x,label=NA,attr = "label"))
+ds |> remove_na_attr() |> str()
+}
diff --git a/man/update-variables.Rd b/man/update-variables.Rd
new file mode 100644
index 0000000..c3b2993
--- /dev/null
+++ b/man/update-variables.Rd
@@ -0,0 +1,38 @@
+% Generated by roxygen2: do not edit by hand
+% Please edit documentation in R/update-variables-ext.R
+\name{update-variables}
+\alias{update-variables}
+\alias{update_variables_ui}
+\alias{update_variables_server}
+\title{Select, rename and convert variables}
+\usage{
+update_variables_ui(id, title = TRUE)
+
+update_variables_server(
+  id,
+  data,
+  height = NULL,
+  return_data_on_init = FALSE,
+  try_silent = FALSE
+)
+}
+\arguments{
+\item{id}{Module's ID}
+
+\item{title}{Module's title, if \code{TRUE} use the default title,
+use \code{NULL} for no title or a \code{shiny.tag} for a custom one.}
+
+\item{data}{a \code{data.frame} or a \code{reactive} function returning a \code{data.frame}.}
+
+\item{height}{Height for the table.}
+
+\item{return_data_on_init}{Return initial data when module is called.}
+
+\item{try_silent}{logical: should the report of error messages be suppressed?}
+}
+\value{
+A \code{\link[shiny:reactive]{shiny::reactive()}} function returning the updated data.
+}
+\description{
+Select, rename and convert variables
+}
diff --git a/man/update_variables_datagrid.Rd b/man/update_variables_datagrid.Rd
new file mode 100644
index 0000000..b280e61
--- /dev/null
+++ b/man/update_variables_datagrid.Rd
@@ -0,0 +1,31 @@
+% Generated by roxygen2: do not edit by hand
+% Please edit documentation in R/update-variables-ext.R
+\name{update_variables_datagrid}
+\alias{update_variables_datagrid}
+\title{Modified from the datamods pacakge}
+\usage{
+update_variables_datagrid(
+  data,
+  height = NULL,
+  selectionId = NULL,
+  buttonId = NULL
+)
+}
+\arguments{
+\item{data}{data}
+
+\item{height}{height}
+
+\item{selectionId}{selectionId}
+
+\item{buttonId}{buttonId}
+}
+\description{
+Modified from the datamods pacakge
+}
+\examples{
+mtcars |>
+  summary_vars() |>
+  update_variables_datagrid()
+
+}