diff --git a/data-raw/ZimmermannTab12.1.txt b/data-raw/ZimmermannTab12.1.txt
deleted file mode 100644
index b00540f61080776ac887583138770d7096ea2fbf..0000000000000000000000000000000000000000
--- a/data-raw/ZimmermannTab12.1.txt
+++ /dev/null
@@ -1,43 +0,0 @@
-"trat" "rep" "prod"
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-"CNA 8502" 1 6957
-"CNA 8540" 1 5738
-"Epagri 108" 1 7026
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-"Supremo 1" 1 6489
-"CNA 7830" 2 7348
-"CNA 8502" 2 7865
-"CNA 8540" 2 5554
-"Epagri 108" 2 6783
-"Formoso" 2 6892
-"Metica 1" 2 7894
-"Supremo 1" 2 6188
-"CNA 7830" 3 6894
-"CNA 8502" 3 6767
-"CNA 8540" 3 5848
-"Epagri 108" 3 7807
-"Formoso" 3 7517
-"Metica 1" 3 7181
-"Supremo 1" 3 6148
-"CNA 7830" 4 7108
-"CNA 8502" 4 7164
-"CNA 8540" 4 5370
-"Epagri 108" 4 6466
-"Formoso" 4 7773
-"Metica 1" 4 7052
-"Supremo 1" 4 6285
-"CNA 7830" 5 6833
-"CNA 8502" 5 6064
-"CNA 8540" 5 5811
-"Epagri 108" 5 6691
-"Formoso" 5 7544
-"Metica 1" 5 7654
-"Supremo 1" 5 6528
-"CNA 7830" 6 6587
-"CNA 8502" 6 6742
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-"Supremo 1" 6 6217
diff --git a/data-raw/ZimmermannTab12.2.txt b/data-raw/ZimmermannTab12.2.txt
deleted file mode 100644
index 74bf71fc97ae97ae66e9b3bd6630bdb72906dd54..0000000000000000000000000000000000000000
--- a/data-raw/ZimmermannTab12.2.txt
+++ /dev/null
@@ -1,43 +0,0 @@
-"trat" "rep" "prod"
-"CNA 7830" 1 7660
-"CNA 8502" 1 7084
-"CNA 8540" 1 5988
-"Epagri 108" 1 6520
-"Formoso" 1 7233
-"Metica 1" 1 6832
-"Supremo 1" 1 5920
-"CNA 7830" 2 6205
-"CNA 8502" 2 7334
-"CNA 8540" 2 6616
-"Epagri 108" 2 6162
-"Formoso" 2 6922
-"Metica 1" 2 7268
-"Supremo 1" 2 6132
-"CNA 7830" 3 6173
-"CNA 8502" 3 7227
-"CNA 8540" 3 6357
-"Epagri 108" 3 6535
-"Formoso" 3 6886
-"Metica 1" 3 7177
-"Supremo 1" 3 6868
-"CNA 7830" 4 7395
-"CNA 8502" 4 8120
-"CNA 8540" 4 5138
-"Epagri 108" 4 7697
-"Formoso" 4 6482
-"Metica 1" 4 5971
-"Supremo 1" 4 6422
-"CNA 7830" 5 6504
-"CNA 8502" 5 7857
-"CNA 8540" 5 5581
-"Epagri 108" 5 6617
-"Formoso" 5 6563
-"Metica 1" 5 7475
-"Supremo 1" 5 6039
-"CNA 7830" 6 6770
-"CNA 8502" 6 6592
-"CNA 8540" 6 4953
-"Epagri 108" 6 6838
-"Formoso" 6 8033
-"Metica 1" 6 6830
-"Supremo 1" 6 5724
diff --git a/data-raw/ZimmermannTab3.12.txt b/data-raw/ZimmermannTab3.12.txt
deleted file mode 100644
index caf0d2028ca7758950d41d5219a4405a3e81e117..0000000000000000000000000000000000000000
--- a/data-raw/ZimmermannTab3.12.txt
+++ /dev/null
@@ -1,76 +0,0 @@
-"trat" "planta" "vaso" "prod"
-1 1 1 2.17
-2 1 1 3.26
-3 1 1 0.99
-4 1 1 0.83
-5 1 1 1.57
-1 2 1 1.63
-2 2 1 1.27
-3 2 1 0.32
-4 2 1 0.93
-5 2 1 1.07
-1 3 1 4.69
-2 3 1 1.21
-3 3 1 0.02
-4 3 1 0.58
-5 3 1 0.48
-1 1 2 0.99
-2 1 2 2.19
-3 1 2 1.37
-4 1 2 0.36
-5 1 2 1.3
-1 2 2 2.21
-2 2 2 2.44
-3 2 2 1.27
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-5 2 2 1.11
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-2 3 2 1.13
-3 3 2 1.1
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-5 2 4 1
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-4 3 4 2.91
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-4 2 5 0.43
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-1 3 5 2.37
-2 3 5 1.14
-3 3 5 2
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-5 3 5 2.63
diff --git a/data-raw/ZimmermannTab3.2.1.txt b/data-raw/ZimmermannTab3.2.1.txt
deleted file mode 100644
index 8baf90eda10724c3f4acdb77f1f45d05e4a5421a..0000000000000000000000000000000000000000
--- a/data-raw/ZimmermannTab3.2.1.txt
+++ /dev/null
@@ -1,33 +0,0 @@
-"trat" "rep" "prod"
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diff --git a/data/ZimmermannTab12.1.rda b/data/ZimmermannTab12.1.rda
deleted file mode 100644
index 0c5779be5f051a68fcfab0c225df921361a910a0..0000000000000000000000000000000000000000
Binary files a/data/ZimmermannTab12.1.rda and /dev/null differ
diff --git a/data/ZimmermannTab12.2.rda b/data/ZimmermannTab12.2.rda
deleted file mode 100644
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Binary files a/data/ZimmermannTab12.2.rda and /dev/null differ
diff --git a/data/ZimmermannTab3.12.rda b/data/ZimmermannTab3.12.rda
deleted file mode 100644
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Binary files a/data/ZimmermannTab3.12.rda and /dev/null differ
diff --git a/data/ZimmermannTab3.2.1.rda b/data/ZimmermannTab3.2.1.rda
deleted file mode 100644
index dac0590573f53c3b0b501066cd7b13438b7a2728..0000000000000000000000000000000000000000
Binary files a/data/ZimmermannTab3.2.1.rda and /dev/null differ