diff --git a/DESCRIPTION b/DESCRIPTION
index d767dd4e1e995122632fe0937c9872217488c2f4..6d6cc35b6bae4509b7bf56dbd6068ad5c5ec8b67 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -10,3 +10,6 @@ License: `use_mit_license()`, `use_gpl3_license()` or friends to pick a
 Encoding: UTF-8
 Roxygen: list(markdown = TRUE)
 RoxygenNote: 7.1.2
+Depends: 
+    R (>= 2.10)
+LazyData: true
diff --git a/data-raw/DATASET.R b/data-raw/DATASET.R
deleted file mode 100644
index 6514a9443aae1fa285c22cb004a804d641293a61..0000000000000000000000000000000000000000
--- a/data-raw/DATASET.R
+++ /dev/null
@@ -1,3 +0,0 @@
-## code to prepare `DATASET` dataset goes here
-
-usethis::use_data(DATASET, overwrite = TRUE)
diff --git a/data-raw/cobb.csv b/data-raw/cobb.csv
new file mode 100644
index 0000000000000000000000000000000000000000..3546d1e5db96b9bc54a67515e7aa17eed8d7bfc8
--- /dev/null
+++ b/data-raw/cobb.csv
@@ -0,0 +1,34 @@
+k,l,q
+10.1,12.2,11
+28.2,30.2,34.6
+24,23,21.9
+21.3,22.3,28.2
+14.3,15.7,14.7
+18.4,20.8,20.2
+10,11.5,9.7
+24,25.9,22.2
+20.3,21.5,17.3
+20.5,22.4,19.5
+12.2,14.4,13.6
+29.2,29.5,34
+25.5,26.8,35.1
+10.8,12.7,10.6
+19.9,19.6,18.6
+24,25,22.9
+23.2,25.7,27.4
+16.2,18,16.4
+19.4,18.3,22
+17.2,19.7,27
+25,23.7,27.1
+20.5,21.2,15.6
+22.1,23,13.2
+24.3,26.3,27.3
+20.8,22.6,15.4
+28.9,30.5,30.6
+28.1,28.6,24.4
+27.9,26.7,36.1
+20.7,21.7,24.8
+17.1,18.5,21
+11.1,13.5,10.2
+11.7,13.4,20.4
+15.4,15.7,14.3
diff --git a/data-raw/cobb_douglas_load.R b/data-raw/cobb_douglas_load.R
new file mode 100644
index 0000000000000000000000000000000000000000..266779bffbbebaa13ab2ff3bbdb01123a8eea26c
--- /dev/null
+++ b/data-raw/cobb_douglas_load.R
@@ -0,0 +1,7 @@
+## code to prepare `eduinc` dataset goes here
+#install.packages("tidyverse")
+library(tidyverse)
+cobb_douglas <-readr::read_csv(here::here("data-raw", "cobb.csv"), col_names = T)
+
+##Dies sollte die letzte Zeile des Scripts sein
+usethis::use_data(cobb_douglas, overwrite = TRUE)
diff --git a/data-raw/edu_inc.csv b/data-raw/edu_inc.csv
new file mode 100644
index 0000000000000000000000000000000000000000..f435a3ec2ed90677fbf65e057ccc77cb9db42e23
--- /dev/null
+++ b/data-raw/edu_inc.csv
@@ -0,0 +1,429 @@
+faminc,he,we,kl6,xtra_x5,xtra_x6
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diff --git a/data-raw/eduinc_load.R b/data-raw/eduinc_load.R
new file mode 100644
index 0000000000000000000000000000000000000000..6690ba8e17378016c659b91d37e46409f2a2c8f7
--- /dev/null
+++ b/data-raw/eduinc_load.R
@@ -0,0 +1,7 @@
+## code to prepare `eduinc` dataset goes here
+#install.packages("tidyverse")
+library(tidyverse)
+eduinc <-readr::read_csv(here::here("data-raw", "edu_inc.csv"), col_names = T)
+
+##Dies sollte die letzte Zeile des Scripts sein
+usethis::use_data(eduinc, overwrite = TRUE)
diff --git a/data-raw/food.csv b/data-raw/food.csv
new file mode 100644
index 0000000000000000000000000000000000000000..dbe2ed006fbc38a039ad22111a25ce9549534230
--- /dev/null
+++ b/data-raw/food.csv
@@ -0,0 +1,41 @@
+"","food_exp","income"
+"1",115.22,3.69
+"2",135.98,4.39
+"3",119.34,4.75
+"4",114.96,6.03
+"5",187.05,12.47
+"6",243.92,12.98
+"7",267.43,14.2
+"8",238.71,14.76
+"9",295.94,15.32
+"10",317.78,16.39
+"11",216,17.35
+"12",240.35,17.77
+"13",386.57,17.93
+"14",261.53,18.43
+"15",249.34,18.55
+"16",309.87,18.8
+"17",345.89,18.81
+"18",165.54,19.04
+"19",196.98,19.22
+"20",395.26,19.93
+"21",406.34,20.13
+"22",171.92,20.33
+"23",303.23,20.37
+"24",377.04,20.43
+"25",194.35,21.45
+"26",213.48,22.52
+"27",293.87,22.55
+"28",259.61,22.86
+"29",323.71,24.2
+"30",275.02,24.39
+"31",109.71,24.42
+"32",359.19,25.2
+"33",201.51,25.5
+"34",460.36,26.61
+"35",447.76,26.7
+"36",482.55,27.14
+"37",438.29,27.16
+"38",587.66,28.62
+"39",257.95,29.4
+"40",375.73,33.4
diff --git a/data-raw/food_load.R b/data-raw/food_load.R
new file mode 100644
index 0000000000000000000000000000000000000000..ecbd59f8d1e9dc5bf0986d373931ea35223edb4f
--- /dev/null
+++ b/data-raw/food_load.R
@@ -0,0 +1,8 @@
+## code to prepare `eduinc` dataset goes here
+#install.packages("tidyverse")
+library(tidyverse)
+food <-readr::read_csv(here::here("data-raw", "food.csv"), col_names = T)
+food <- rename(food, X = 1)
+
+##Dies sollte die letzte Zeile des Scripts sein
+usethis::use_data(food, overwrite = TRUE)
diff --git a/data-raw/gfc_kurs.csv b/data-raw/gfc_kurs.csv
new file mode 100644
index 0000000000000000000000000000000000000000..e6d87bc5d5af7fdfc17637cf77d5aa466a5d26f8
--- /dev/null
+++ b/data-raw/gfc_kurs.csv
@@ -0,0 +1,61 @@
+quarter,GDPE,GDPU
+1995q1,86.70001007571138,80.3999858347336
+1995q2,87.29995959359231,80.60002824929077
+1995q3,87.50001808068957,81.19997992999073
+1995q4,87.80004384372495,81.7999800728107
+1996q1,87.90001716765127,82.39996399817673
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+1996q3,88.9999670938456,84.50003934632485
+1996q4,89.29995643210755,85.39999139214804
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+2003q4,104.4000338831781,107.3000375939937
+2004q1,104.9999632334665,107.9999754705871
+2004q2,105.5999607936671,108.7999636149097
+2004q3,105.8999732488839,109.5999589532826
+2004q4,106.2999696675223,110.5000529341749
+2005q1,106.6000520494088,111.7000328314101
+2005q2,107.3000375939937,112.0999629982495
+2005q3,107.9999754705871,113.0000204855074
+2005q4,108.5999557455269,113.6000560858048
+2006q1,109.4000120353265,115.0999636597317
+2006q2,110.7000177435962,115.5000542894193
+2006q3,111.3999635172653,115.5000542894193
+2006q4,112.3000155261053,116.2999930772871
+2007q1,113.1999812349414,116.7000537645764
+2007q2,113.6999544339962,117.5999958293717
+2007q3,114.3999909686126,118.699964198231
+2007q4,114.799944449962,119.2999607379147
+2008q1,115.7000423231104,119.0999432653882
+2008q2,115.2999507352015,119.4999556211062
+2008q3,114.8999787601957,118.699964198231
+2008q4,112.6000320115552,117.0999683123144
+2009q1,109.80005170753,115.0999636597317
+2009q2,109.6999597092615,114.8999787601957
+2009q3,110.0999951854775,115.6000050588553
+2009q4,110.3000081335823,117.2000143988515
diff --git a/data-raw/gfc_load.R b/data-raw/gfc_load.R
new file mode 100644
index 0000000000000000000000000000000000000000..ea79a9415482352de83a71cb83f248a13852d001
--- /dev/null
+++ b/data-raw/gfc_load.R
@@ -0,0 +1,7 @@
+## code to prepare `gfc` dataset goes here
+#install.packages("tidyverse")
+library(tidyverse)
+gfc <-readr::read_csv(here::here("data-raw", "gfc_kurs.csv"), col_names = T)
+
+##Dies sollte die letzte Zeile des Scripts sein
+usethis::use_data(gfc, overwrite = TRUE)
diff --git a/data-raw/phillips_aus.csv b/data-raw/phillips_aus.csv
new file mode 100644
index 0000000000000000000000000000000000000000..690587ec9e4b8a7dee73dd187ffb63fa19796c0a
--- /dev/null
+++ b/data-raw/phillips_aus.csv
@@ -0,0 +1,92 @@
+obs,inf,u
+1987Q1,2,8.1
+1987Q2,1.5,8
+1987Q3,1.7,7.8
+1987Q4,1.8,7.7
+1988Q1,1.8,7.3
+1988Q2,1.7,7.3
+1988Q3,1.9,6.7
+1988Q4,2,6.5
+1989Q1,1,6.3
+1989Q2,2.5,6
+1989Q3,2.3,5.8
+1989Q4,1.8,5.6
+1990Q1,1.7,6
+1990Q2,1.6,6.2
+1990Q3,0.8,7
+1990Q4,2.6,7.6
+1991Q1,-0.2,8.4
+1991Q2,0.2,9.2
+1991Q3,0.6,9.6
+1991Q4,0.9,9.9
+1992Q1,0,10.1
+1992Q2,-0.3,10.5
+1992Q3,0.1,10.6
+1992Q4,0.5,10.8
+1993Q1,0.9,10.7
+1993Q2,0.4,10.6
+1993Q3,0.5,10.6
+1993Q4,0.2,10.5
+1994Q1,0.4,10.1
+1994Q2,0.7,9.7
+1994Q3,0.6,9.2
+1994Q4,0.8,8.8
+1995Q1,1.7,8.5
+1995Q2,1.3,8.2
+1995Q3,1.2,8
+1995Q4,0.8,8.2
+1996Q1,0.4,8.2
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+1996Q3,0.3,8.3
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+1997Q1,0.2,8.4
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+1999Q1,-0.1,7.2
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+2001Q4,0.9,6.9
+2002Q1,0.9,6.7
+2002Q2,0.7,6.4
+2002Q3,0.7,6.3
+2002Q4,0.7,6.2
+2003Q1,1.3,6.1
+2003Q2,0,6.1
+2003Q3,0.6,5.9
+2003Q4,0.5,5.7
+2004Q1,0.9,5.5
+2004Q2,0.5,5.4
+2004Q3,0.4,5.5
+2004Q4,0.8,5.1
+2005Q1,0.7,5.1
+2005Q2,0.6,5.1
+2005Q3,0.9,5
+2005Q4,0.5,5.1
+2006Q1,0.9,5
+2006Q2,1.6,4.8
+2006Q3,0.9,4.7
+2006Q4,-0.1,4.6
+2007Q1,0.1,4.5
+2007Q2,1.2,4.3
+2007Q3,0.7,4.3
+2007Q4,0.9,4.4
+2008Q1,1.3,4
+2008Q2,1.5,4.2
+2008Q3,1.2,4.2
+2008Q4,-0.3,4.5
+2009Q1,0.1,5.3
+2009Q2,0.5,5.7
+2009Q3,1,5.8
diff --git a/data-raw/phillips_load.R b/data-raw/phillips_load.R
new file mode 100644
index 0000000000000000000000000000000000000000..c8c824dda076563cbb9ebeb22a4cbda15de4324a
--- /dev/null
+++ b/data-raw/phillips_load.R
@@ -0,0 +1,11 @@
+## code to prepare `eduinc` dataset goes here
+#install.packages("tidyverse")
+library(tidyverse)
+phillips <-readr::read_csv(here::here("data-raw", "phillips_aus.csv"), col_names = T)
+
+##Dies sollte die letzte Zeile des Scripts sein
+usethis::use_data(phillips, overwrite = TRUE)
+
+
+
+
diff --git a/data-raw/qtm.csv b/data-raw/qtm.csv
new file mode 100644
index 0000000000000000000000000000000000000000..21b0817ee3f53bf7a006f0dfdda1ce9fbb050d10
--- /dev/null
+++ b/data-raw/qtm.csv
@@ -0,0 +1,181 @@
+obs,m,p
+1961Q1,0.066369,0.0123551
+1961Q2,0.0774253,0.0110558
+1961Q3,0.0732792,0.0103529
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diff --git a/data-raw/qtm_load.R b/data-raw/qtm_load.R
new file mode 100644
index 0000000000000000000000000000000000000000..f8ba745c0ccb8cbcc046c8b6b14918d4a5249ed3
--- /dev/null
+++ b/data-raw/qtm_load.R
@@ -0,0 +1,7 @@
+## code to prepare `eduinc` dataset goes here
+#install.packages("tidyverse")
+library(tidyverse)
+qtm <-readr::read_csv(here::here("data-raw", "qtm.csv"), col_names = T)
+
+##Dies sollte die letzte Zeile des Scripts sein
+usethis::use_data(qtm, overwrite = TRUE)
diff --git a/data/cobb_douglas.rda b/data/cobb_douglas.rda
new file mode 100644
index 0000000000000000000000000000000000000000..57bfc6c9509e54cf7b1efacc5e3fca9aefbc6527
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diff --git a/data/eduinc.rda b/data/eduinc.rda
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index 0000000000000000000000000000000000000000..373c070d2fe5a77a954c219fd4978d10e122e860
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diff --git a/data/food.rda b/data/food.rda
new file mode 100644
index 0000000000000000000000000000000000000000..a6876b534e25193132d2742cf4bcc8d6d1e934a1
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diff --git a/data/gfc.rda b/data/gfc.rda
new file mode 100644
index 0000000000000000000000000000000000000000..45be2b10d5d62321c4e2d6e88e53edbb62724bcd
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diff --git a/data/phillips.rda b/data/phillips.rda
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index 0000000000000000000000000000000000000000..15aaeea622b1afd3914bc2623beba85583ba0b46
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diff --git a/data/qtm.rda b/data/qtm.rda
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index 0000000000000000000000000000000000000000..26126d1f8a001e5152b21b13d0611a79ad257137
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