diff --git a/data-raw/ZimmermannTb12.2.txt b/data-raw/ZimmermannTb12.2.txt
index d60fa154068fa791d569b43f15998ae3c6bea862..5922e0d323f7580883e35ff6dc11a49865e57745 100644
--- a/data-raw/ZimmermannTb12.2.txt
+++ b/data-raw/ZimmermannTb12.2.txt
@@ -1,43 +1,44 @@
-geno	rept	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
+"V1" "V2" "V3"
+"geno" "rept" "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/ZimmermannTb4.11.txt b/data-raw/ZimmermannTb4.11.txt
index 3c0bb015efffe36332c7a244189e4790e9b43c87..fddec3490594734847e3b4291d986e7f625ed0e3 100644
--- a/data-raw/ZimmermannTb4.11.txt
+++ b/data-raw/ZimmermannTb4.11.txt
@@ -1,201 +1,201 @@
-trat	amostra	bloco	prod
-BG 90 2	1	1	93
-CNAi 9920	1	1	95
-CNAi 9922	1	1	90
-CNAi 9924	1	1	90
-CNAi 9926	1	1	84
-CNAi 9928	1	1	94
-CNAi 9930	1	1	95
-CNAi 9932	1	1	90
-CNAi 9934	1	1	92
-CNAi 9936	1	1	102
-BG 90 2	2	1	95
-CNAi 9920	2	1	93
-CNAi 9922	2	1	101
-CNAi 9924	2	1	94
-CNAi 9926	2	1	93
-CNAi 9928	2	1	95
-CNAi 9930	2	1	90
-CNAi 9932	2	1	97
-CNAi 9934	2	1	95
-CNAi 9936	2	1	97
-BG 90 2	3	1	96
-CNAi 9920	3	1	89
-CNAi 9922	3	1	92
-CNAi 9924	3	1	99
-CNAi 9926	3	1	109
-CNAi 9928	3	1	93
-CNAi 9930	3	1	95
-CNAi 9932	3	1	93
-CNAi 9934	3	1	91
-CNAi 9936	3	1	93
-BG 90 2	4	1	98
-CNAi 9920	4	1	91
-CNAi 9922	4	1	102
-CNAi 9924	4	1	92
-CNAi 9926	4	1	95
-CNAi 9928	4	1	100
-CNAi 9930	4	1	92
-CNAi 9932	4	1	100
-CNAi 9934	4	1	95
-CNAi 9936	4	1	98
-BG 90 2	5	1	100
-CNAi 9920	5	1	93
-CNAi 9922	5	1	103
-CNAi 9924	5	1	95
-CNAi 9926	5	1	94
-CNAi 9928	5	1	93
-CNAi 9930	5	1	92
-CNAi 9932	5	1	102
-CNAi 9934	5	1	95
-CNAi 9936	5	1	97
-BG 90 2	1	2	95
-CNAi 9920	1	2	94
-CNAi 9922	1	2	95
-CNAi 9924	1	2	96
-CNAi 9926	1	2	109
-CNAi 9928	1	2	100
-CNAi 9930	1	2	99
-CNAi 9932	1	2	95
-CNAi 9934	1	2	95
-CNAi 9936	1	2	95
-BG 90 2	2	2	99
-CNAi 9920	2	2	94
-CNAi 9922	2	2	96
-CNAi 9924	2	2	100
-CNAi 9926	2	2	99
-CNAi 9928	2	2	105
-CNAi 9930	2	2	100
-CNAi 9932	2	2	95
-CNAi 9934	2	2	101
-CNAi 9936	2	2	97
-BG 90 2	3	2	90
-CNAi 9920	3	2	90
-CNAi 9922	3	2	90
-CNAi 9924	3	2	100
-CNAi 9926	3	2	89
-CNAi 9928	3	2	97
-CNAi 9930	3	2	101
-CNAi 9932	3	2	95
-CNAi 9934	3	2	98
-CNAi 9936	3	2	98
-BG 90 2	4	2	92
-CNAi 9920	4	2	86
-CNAi 9922	4	2	96
-CNAi 9924	4	2	100
-CNAi 9926	4	2	95
-CNAi 9928	4	2	100
-CNAi 9930	4	2	102
-CNAi 9932	4	2	94
-CNAi 9934	4	2	94
-CNAi 9936	4	2	105
-BG 90 2	5	2	98
-CNAi 9920	5	2	90
-CNAi 9922	5	2	97
-CNAi 9924	5	2	103
-CNAi 9926	5	2	98
-CNAi 9928	5	2	100
-CNAi 9930	5	2	97
-CNAi 9932	5	2	95
-CNAi 9934	5	2	100
-CNAi 9936	5	2	100
-BG 90 2	1	3	100
-CNAi 9920	1	3	98
-CNAi 9922	1	3	93
-CNAi 9924	1	3	99
-CNAi 9926	1	3	99
-CNAi 9928	1	3	97
-CNAi 9930	1	3	92
-CNAi 9932	1	3	98
-CNAi 9934	1	3	92
-CNAi 9936	1	3	94
-BG 90 2	2	3	106
-CNAi 9920	2	3	90
-CNAi 9922	2	3	95
-CNAi 9924	2	3	98
-CNAi 9926	2	3	95
-CNAi 9928	2	3	97
-CNAi 9930	2	3	93
-CNAi 9932	2	3	96
-CNAi 9934	2	3	93
-CNAi 9936	2	3	94
-BG 90 2	3	3	98
-CNAi 9920	3	3	85
-CNAi 9922	3	3	100
-CNAi 9924	3	3	99
-CNAi 9926	3	3	100
-CNAi 9928	3	3	95
-CNAi 9930	3	3	91
-CNAi 9932	3	3	97
-CNAi 9934	3	3	95
-CNAi 9936	3	3	99
-BG 90 2	4	3	100
-CNAi 9920	4	3	90
-CNAi 9922	4	3	95
-CNAi 9924	4	3	97
-CNAi 9926	4	3	95
-CNAi 9928	4	3	94
-CNAi 9930	4	3	91
-CNAi 9932	4	3	100
-CNAi 9934	4	3	98
-CNAi 9936	4	3	97
-BG 90 2	5	3	105
-CNAi 9920	5	3	82
-CNAi 9922	5	3	94
-CNAi 9924	5	3	94
-CNAi 9926	5	3	85
-CNAi 9928	5	3	92
-CNAi 9930	5	3	92
-CNAi 9932	5	3	97
-CNAi 9934	5	3	92
-CNAi 9936	5	3	97
-BG 90 2	1	4	95
-CNAi 9920	1	4	93
-CNAi 9922	1	4	90
-CNAi 9924	1	4	93
-CNAi 9926	1	4	90
-CNAi 9928	1	4	97
-CNAi 9930	1	4	94
-CNAi 9932	1	4	93
-CNAi 9934	1	4	96
-CNAi 9936	1	4	95
-BG 90 2	2	4	92
-CNAi 9920	2	4	90
-CNAi 9922	2	4	90
-CNAi 9924	2	4	89
-CNAi 9926	2	4	99
-CNAi 9928	2	4	93
-CNAi 9930	2	4	85
-CNAi 9932	2	4	90
-CNAi 9934	2	4	90
-CNAi 9936	2	4	99
-BG 90 2	3	4	94
-CNAi 9920	3	4	90
-CNAi 9922	3	4	90
-CNAi 9924	3	4	95
-CNAi 9926	3	4	95
-CNAi 9928	3	4	90
-CNAi 9930	3	4	90
-CNAi 9932	3	4	94
-CNAi 9934	3	4	86
-CNAi 9936	3	4	96
-BG 90 2	4	4	89
-CNAi 9920	4	4	90
-CNAi 9922	4	4	90
-CNAi 9924	4	4	95
-CNAi 9926	4	4	90
-CNAi 9928	4	4	92
-CNAi 9930	4	4	102
-CNAi 9932	4	4	99
-CNAi 9934	4	4	95
-CNAi 9936	4	4	93
-BG 90 2	5	4	94
-CNAi 9920	5	4	78
-CNAi 9922	5	4	95
-CNAi 9924	5	4	105
-CNAi 9926	5	4	100
-CNAi 9928	5	4	85
-CNAi 9930	5	4	102
-CNAi 9932	5	4	99
-CNAi 9934	5	4	90
-CNAi 9936	5	4	94
+"geno" "amostra" "bloco" "prod"
+"BG 90 2" "1" "1" "93"
+"CNAi 9920" "1" "1" "95"
+"CNAi 9922" "1" "1" "90"
+"CNAi 9924" "1" "1" "90"
+"CNAi 9926" "1" "1" "84"
+"CNAi 9928" "1" "1" "94"
+"CNAi 9930" "1" "1" "95"
+"CNAi 9932" "1" "1" "90"
+"CNAi 9934" "1" "1" "92"
+"CNAi 9936" "1" "1" "102"
+"BG 90 2" "2" "1" "95"
+"CNAi 9920" "2" "1" "93"
+"CNAi 9922" "2" "1" "101"
+"CNAi 9924" "2" "1" "94"
+"CNAi 9926" "2" "1" "93"
+"CNAi 9928" "2" "1" "95"
+"CNAi 9930" "2" "1" "90"
+"CNAi 9932" "2" "1" "97"
+"CNAi 9934" "2" "1" "95"
+"CNAi 9936" "2" "1" "97"
+"BG 90 2" "3" "1" "96"
+"CNAi 9920" "3" "1" "89"
+"CNAi 9922" "3" "1" "92"
+"CNAi 9924" "3" "1" "99"
+"CNAi 9926" "3" "1" "109"
+"CNAi 9928" "3" "1" "93"
+"CNAi 9930" "3" "1" "95"
+"CNAi 9932" "3" "1" "93"
+"CNAi 9934" "3" "1" "91"
+"CNAi 9936" "3" "1" "93"
+"BG 90 2" "4" "1" "98"
+"CNAi 9920" "4" "1" "91"
+"CNAi 9922" "4" "1" "102"
+"CNAi 9924" "4" "1" "92"
+"CNAi 9926" "4" "1" "95"
+"CNAi 9928" "4" "1" "100"
+"CNAi 9930" "4" "1" "92"
+"CNAi 9932" "4" "1" "100"
+"CNAi 9934" "4" "1" "95"
+"CNAi 9936" "4" "1" "98"
+"BG 90 2" "5" "1" "100"
+"CNAi 9920" "5" "1" "93"
+"CNAi 9922" "5" "1" "103"
+"CNAi 9924" "5" "1" "95"
+"CNAi 9926" "5" "1" "94"
+"CNAi 9928" "5" "1" "93"
+"CNAi 9930" "5" "1" "92"
+"CNAi 9932" "5" "1" "102"
+"CNAi 9934" "5" "1" "95"
+"CNAi 9936" "5" "1" "97"
+"BG 90 2" "1" "2" "95"
+"CNAi 9920" "1" "2" "94"
+"CNAi 9922" "1" "2" "95"
+"CNAi 9924" "1" "2" "96"
+"CNAi 9926" "1" "2" "109"
+"CNAi 9928" "1" "2" "100"
+"CNAi 9930" "1" "2" "99"
+"CNAi 9932" "1" "2" "95"
+"CNAi 9934" "1" "2" "95"
+"CNAi 9936" "1" "2" "95"
+"BG 90 2" "2" "2" "99"
+"CNAi 9920" "2" "2" "94"
+"CNAi 9922" "2" "2" "96"
+"CNAi 9924" "2" "2" "100"
+"CNAi 9926" "2" "2" "99"
+"CNAi 9928" "2" "2" "105"
+"CNAi 9930" "2" "2" "100"
+"CNAi 9932" "2" "2" "95"
+"CNAi 9934" "2" "2" "101"
+"CNAi 9936" "2" "2" "97"
+"BG 90 2" "3" "2" "90"
+"CNAi 9920" "3" "2" "90"
+"CNAi 9922" "3" "2" "90"
+"CNAi 9924" "3" "2" "100"
+"CNAi 9926" "3" "2" "89"
+"CNAi 9928" "3" "2" "97"
+"CNAi 9930" "3" "2" "101"
+"CNAi 9932" "3" "2" "95"
+"CNAi 9934" "3" "2" "98"
+"CNAi 9936" "3" "2" "98"
+"BG 90 2" "4" "2" "92"
+"CNAi 9920" "4" "2" "86"
+"CNAi 9922" "4" "2" "96"
+"CNAi 9924" "4" "2" "100"
+"CNAi 9926" "4" "2" "95"
+"CNAi 9928" "4" "2" "100"
+"CNAi 9930" "4" "2" "102"
+"CNAi 9932" "4" "2" "94"
+"CNAi 9934" "4" "2" "94"
+"CNAi 9936" "4" "2" "105"
+"BG 90 2" "5" "2" "98"
+"CNAi 9920" "5" "2" "90"
+"CNAi 9922" "5" "2" "97"
+"CNAi 9924" "5" "2" "103"
+"CNAi 9926" "5" "2" "98"
+"CNAi 9928" "5" "2" "100"
+"CNAi 9930" "5" "2" "97"
+"CNAi 9932" "5" "2" "95"
+"CNAi 9934" "5" "2" "100"
+"CNAi 9936" "5" "2" "100"
+"BG 90 2" "1" "3" "100"
+"CNAi 9920" "1" "3" "98"
+"CNAi 9922" "1" "3" "93"
+"CNAi 9924" "1" "3" "99"
+"CNAi 9926" "1" "3" "99"
+"CNAi 9928" "1" "3" "97"
+"CNAi 9930" "1" "3" "92"
+"CNAi 9932" "1" "3" "98"
+"CNAi 9934" "1" "3" "92"
+"CNAi 9936" "1" "3" "94"
+"BG 90 2" "2" "3" "106"
+"CNAi 9920" "2" "3" "90"
+"CNAi 9922" "2" "3" "95"
+"CNAi 9924" "2" "3" "98"
+"CNAi 9926" "2" "3" "95"
+"CNAi 9928" "2" "3" "97"
+"CNAi 9930" "2" "3" "93"
+"CNAi 9932" "2" "3" "96"
+"CNAi 9934" "2" "3" "93"
+"CNAi 9936" "2" "3" "94"
+"BG 90 2" "3" "3" "98"
+"CNAi 9920" "3" "3" "85"
+"CNAi 9922" "3" "3" "100"
+"CNAi 9924" "3" "3" "99"
+"CNAi 9926" "3" "3" "100"
+"CNAi 9928" "3" "3" "95"
+"CNAi 9930" "3" "3" "91"
+"CNAi 9932" "3" "3" "97"
+"CNAi 9934" "3" "3" "95"
+"CNAi 9936" "3" "3" "99"
+"BG 90 2" "4" "3" "100"
+"CNAi 9920" "4" "3" "90"
+"CNAi 9922" "4" "3" "95"
+"CNAi 9924" "4" "3" "97"
+"CNAi 9926" "4" "3" "95"
+"CNAi 9928" "4" "3" "94"
+"CNAi 9930" "4" "3" "91"
+"CNAi 9932" "4" "3" "100"
+"CNAi 9934" "4" "3" "98"
+"CNAi 9936" "4" "3" "97"
+"BG 90 2" "5" "3" "105"
+"CNAi 9920" "5" "3" "82"
+"CNAi 9922" "5" "3" "94"
+"CNAi 9924" "5" "3" "94"
+"CNAi 9926" "5" "3" "85"
+"CNAi 9928" "5" "3" "92"
+"CNAi 9930" "5" "3" "92"
+"CNAi 9932" "5" "3" "97"
+"CNAi 9934" "5" "3" "92"
+"CNAi 9936" "5" "3" "97"
+"BG 90 2" "1" "4" "95"
+"CNAi 9920" "1" "4" "93"
+"CNAi 9922" "1" "4" "90"
+"CNAi 9924" "1" "4" "93"
+"CNAi 9926" "1" "4" "90"
+"CNAi 9928" "1" "4" "97"
+"CNAi 9930" "1" "4" "94"
+"CNAi 9932" "1" "4" "93"
+"CNAi 9934" "1" "4" "96"
+"CNAi 9936" "1" "4" "95"
+"BG 90 2" "2" "4" "92"
+"CNAi 9920" "2" "4" "90"
+"CNAi 9922" "2" "4" "90"
+"CNAi 9924" "2" "4" "89"
+"CNAi 9926" "2" "4" "99"
+"CNAi 9928" "2" "4" "93"
+"CNAi 9930" "2" "4" "85"
+"CNAi 9932" "2" "4" "90"
+"CNAi 9934" "2" "4" "90"
+"CNAi 9936" "2" "4" "99"
+"BG 90 2" "3" "4" "94"
+"CNAi 9920" "3" "4" "90"
+"CNAi 9922" "3" "4" "90"
+"CNAi 9924" "3" "4" "95"
+"CNAi 9926" "3" "4" "95"
+"CNAi 9928" "3" "4" "90"
+"CNAi 9930" "3" "4" "90"
+"CNAi 9932" "3" "4" "94"
+"CNAi 9934" "3" "4" "86"
+"CNAi 9936" "3" "4" "96"
+"BG 90 2" "4" "4" "89"
+"CNAi 9920" "4" "4" "90"
+"CNAi 9922" "4" "4" "90"
+"CNAi 9924" "4" "4" "95"
+"CNAi 9926" "4" "4" "90"
+"CNAi 9928" "4" "4" "92"
+"CNAi 9930" "4" "4" "102"
+"CNAi 9932" "4" "4" "99"
+"CNAi 9934" "4" "4" "95"
+"CNAi 9936" "4" "4" "93"
+"BG 90 2" "5" "4" "94"
+"CNAi 9920" "5" "4" "78"
+"CNAi 9922" "5" "4" "95"
+"CNAi 9924" "5" "4" "105"
+"CNAi 9926" "5" "4" "100"
+"CNAi 9928" "5" "4" "85"
+"CNAi 9930" "5" "4" "102"
+"CNAi 9932" "5" "4" "99"
+"CNAi 9934" "5" "4" "90"
+"CNAi 9936" "5" "4" "94"
diff --git a/data/ZimmermannTb12.2.rda b/data/ZimmermannTb12.2.rda
index 07caafd867da3c2be573598b41d356a393b78d39..7b7f765e0bf6f2ea97b553e05646625c10015a7f 100644
Binary files a/data/ZimmermannTb12.2.rda and b/data/ZimmermannTb12.2.rda differ
diff --git a/data/ZimmermannTb4.11.rda b/data/ZimmermannTb4.11.rda
index 05f7f34c7b51ac6628d7be7344752af0da171fd9..52b314fdd35e4505ba9fc5d63ffed10812397739 100644
Binary files a/data/ZimmermannTb4.11.rda and b/data/ZimmermannTb4.11.rda differ