diff --git a/.Rbuildignore b/.Rbuildignore
index 456c6fd..482860f 100644
--- a/.Rbuildignore
+++ b/.Rbuildignore
@@ -1,3 +1,4 @@
 ^.*\.Rproj$
 ^\.Rproj\.user$
 ^LICENSE\.md$
+^data-raw$
diff --git a/DESCRIPTION b/DESCRIPTION
index 8520524..8f3ecca 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -11,3 +11,4 @@ Description: More about what it does (maybe more than one line)
 License: MIT + file LICENSE
 Encoding: UTF-8
 LazyData: true
+RoxygenNote: 6.0.1
diff --git a/data-raw/fetch_data.R b/data-raw/fetch_data.R
new file mode 100644
index 0000000..eb9d830
--- /dev/null
+++ b/data-raw/fetch_data.R
@@ -0,0 +1,12 @@
+
+inflammation <- read.csv("https://raw.githubusercontent.com/TIBHannover/FAIR-R/gh-pages/_episodes_rmd/inflammation.csv", header=FALSE)
+
+library(dplyr)
+library(tidyr)
+
+inflammation_long <- inflammation %>%
+    tbl_df() %>%
+    mutate(PatientID = 1:n()) %>%
+    gather(Time, InflammationScore, -PatientID)
+
+devtools::use_data(inflammation, overwrite = TRUE)
diff --git a/data/inflammation.rda b/data/inflammation.rda
new file mode 100644
index 0000000..f43cd12
Binary files /dev/null and b/data/inflammation.rda differ
diff --git a/maRgheRitaR.Rproj b/maRgheRitaR.Rproj
index e9b1f9e..0919928 100644
--- a/maRgheRitaR.Rproj
+++ b/maRgheRitaR.Rproj
@@ -18,3 +18,4 @@ StripTrailingWhitespace: Yes
 BuildType: Package
 PackageUseDevtools: Yes
 PackageInstallArgs: --no-multiarch --with-keep.source
+PackageRoxygenize: rd,collate,namespace
diff --git a/man/center.Rd b/man/center.Rd
new file mode 100644
index 0000000..cda30de
--- /dev/null
+++ b/man/center.Rd
@@ -0,0 +1,22 @@
+% Generated by roxygen2: do not edit by hand
+% Please edit documentation in R/center.R
+\name{center}
+\alias{center}
+\title{Centering datasets}
+\usage{
+center(dataset, desired)
+}
+\arguments{
+\item{dataset}{The numeric vector to be centered}
+
+\item{desired}{The numeric midpoint value around which the data will be centered}
+}
+\value{
+A new vector containing the original data centered around the desired values
+}
+\description{
+Some more description
+}
+\details{
+And even more
+}
diff --git a/man/rescale.Rd b/man/rescale.Rd
new file mode 100644
index 0000000..38a1db5
--- /dev/null
+++ b/man/rescale.Rd
@@ -0,0 +1,21 @@
+% Generated by roxygen2: do not edit by hand
+% Please edit documentation in R/rescale.R
+\name{rescale}
+\alias{rescale}
+\title{Rescaling datasets}
+\usage{
+rescale(v)
+}
+\arguments{
+\item{v}{A numeric vector}
+}
+\value{
+A new numeric vector, rescaled from the input vector to the range of 0 to 1
+}
+\description{
+Rescaling datasets
+}
+\examples{
+rescale(c(1,2,3)) # [1] 0.0 0.5 1.0
+rescale(c(1,2,3,4,5)) # [1] 0.00 0.25 0.50 0.75 1.00
+}