diff --git a/data-raw/CETperceptual_csv_0_1.zip b/data-raw/CETperceptual_csv_0_1.zip
index 808155c..0edcd04 100644
Binary files a/data-raw/CETperceptual_csv_0_1.zip and b/data-raw/CETperceptual_csv_0_1.zip differ
diff --git a/data-raw/CETperceptual_csv_0_1/CET-C1.csv b/data-raw/CETperceptual_csv_0_1/CET-C1.csv
index d2609c6..89333d2 100644
--- a/data-raw/CETperceptual_csv_0_1/CET-C1.csv
+++ b/data-raw/CETperceptual_csv_0_1/CET-C1.csv
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diff --git a/data-raw/CETperceptual_csv_0_1/CET-C1s.csv b/data-raw/CETperceptual_csv_0_1/CET-C1s.csv
index a3e0c67..cdf337b 100644
--- a/data-raw/CETperceptual_csv_0_1/CET-C1s.csv
+++ b/data-raw/CETperceptual_csv_0_1/CET-C1s.csv
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diff --git a/data-raw/CETperceptual_csv_0_1/CET-C2.csv b/data-raw/CETperceptual_csv_0_1/CET-C2.csv
index efe2393..74424d9 100644
--- a/data-raw/CETperceptual_csv_0_1/CET-C2.csv
+++ b/data-raw/CETperceptual_csv_0_1/CET-C2.csv
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diff --git a/data-raw/CETperceptual_csv_0_1/CET-C2s.csv b/data-raw/CETperceptual_csv_0_1/CET-C2s.csv
index 9cd8618..fada4a2 100644
--- a/data-raw/CETperceptual_csv_0_1/CET-C2s.csv
+++ b/data-raw/CETperceptual_csv_0_1/CET-C2s.csv
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diff --git a/data-raw/CETperceptual_csv_0_1/CET-C3.csv b/data-raw/CETperceptual_csv_0_1/CET-C3.csv
new file mode 100644
index 0000000..39f6da2
--- /dev/null
+++ b/data-raw/CETperceptual_csv_0_1/CET-C3.csv
@@ -0,0 +1,256 @@
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diff --git a/data-raw/CETperceptual_csv_0_1/CET-C3s.csv b/data-raw/CETperceptual_csv_0_1/CET-C3s.csv
new file mode 100644
index 0000000..7b9bfab
--- /dev/null
+++ b/data-raw/CETperceptual_csv_0_1/CET-C3s.csv
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diff --git a/data-raw/CETperceptual_csv_0_1/CET-C4.csv b/data-raw/CETperceptual_csv_0_1/CET-C4.csv
index 5a7449b..f2f82bb 100644
--- a/data-raw/CETperceptual_csv_0_1/CET-C4.csv
+++ b/data-raw/CETperceptual_csv_0_1/CET-C4.csv
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diff --git a/data-raw/CETperceptual_csv_0_1/CET-C4s.csv b/data-raw/CETperceptual_csv_0_1/CET-C4s.csv
index 2952658..67dd578 100644
--- a/data-raw/CETperceptual_csv_0_1/CET-C4s.csv
+++ b/data-raw/CETperceptual_csv_0_1/CET-C4s.csv
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diff --git a/data-raw/CETperceptual_csv_0_1/CET-C5.csv b/data-raw/CETperceptual_csv_0_1/CET-C5.csv
index 8b97093..c9256c4 100644
--- a/data-raw/CETperceptual_csv_0_1/CET-C5.csv
+++ b/data-raw/CETperceptual_csv_0_1/CET-C5.csv
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diff --git a/data-raw/CETperceptual_csv_0_1/CET-C5s.csv b/data-raw/CETperceptual_csv_0_1/CET-C5s.csv
index 0cfeb75..64e44ca 100644
--- a/data-raw/CETperceptual_csv_0_1/CET-C5s.csv
+++ b/data-raw/CETperceptual_csv_0_1/CET-C5s.csv
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diff --git a/data-raw/CETperceptual_csv_0_1/CET-C6.csv b/data-raw/CETperceptual_csv_0_1/CET-C6.csv
new file mode 100644
index 0000000..aa39a47
--- /dev/null
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diff --git a/data-raw/CETperceptual_csv_0_1/CET-C6s.csv b/data-raw/CETperceptual_csv_0_1/CET-C6s.csv
new file mode 100644
index 0000000..b34d26c
--- /dev/null
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diff --git a/data-raw/CETperceptual_csv_0_1/CET-C7.csv b/data-raw/CETperceptual_csv_0_1/CET-C7.csv
new file mode 100644
index 0000000..f0136b5
--- /dev/null
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diff --git a/data-raw/CETperceptual_csv_0_1/CET-C7s.csv b/data-raw/CETperceptual_csv_0_1/CET-C7s.csv
new file mode 100644
index 0000000..fb46113
--- /dev/null
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diff --git a/data-raw/CETperceptual_csv_0_1/CET-CBC1.csv b/data-raw/CETperceptual_csv_0_1/CET-CBC1.csv
index 2c3a6d4..8f92542 100644
--- a/data-raw/CETperceptual_csv_0_1/CET-CBC1.csv
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diff --git a/data-raw/CETperceptual_csv_0_1/CET-CBC2.csv b/data-raw/CETperceptual_csv_0_1/CET-CBC2.csv
index 75e0c3e..8cd0eda 100644
--- a/data-raw/CETperceptual_csv_0_1/CET-CBC2.csv
+++ b/data-raw/CETperceptual_csv_0_1/CET-CBC2.csv
@@ -1,256 +1,256 @@
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diff --git a/data-raw/CETperceptual_csv_0_1/CET-CBD1.csv b/data-raw/CETperceptual_csv_0_1/CET-CBD1.csv
index 9b2db6c..3ba00bd 100644
--- a/data-raw/CETperceptual_csv_0_1/CET-CBD1.csv
+++ b/data-raw/CETperceptual_csv_0_1/CET-CBD1.csv
@@ -1,256 +1,256 @@
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diff --git a/data-raw/CETperceptual_csv_0_1/CET-CBL1.csv b/data-raw/CETperceptual_csv_0_1/CET-CBL1.csv
index 3fd87f7..4e9df60 100644
--- a/data-raw/CETperceptual_csv_0_1/CET-CBL1.csv
+++ b/data-raw/CETperceptual_csv_0_1/CET-CBL1.csv
@@ -1,256 +1,256 @@
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diff --git a/data-raw/CETperceptual_csv_0_1/CET-CBL2.csv b/data-raw/CETperceptual_csv_0_1/CET-CBL2.csv
index f167ce9..f221f71 100644
--- a/data-raw/CETperceptual_csv_0_1/CET-CBL2.csv
+++ b/data-raw/CETperceptual_csv_0_1/CET-CBL2.csv
@@ -1,256 +1,256 @@
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diff --git a/data-raw/CETperceptual_csv_0_1/CET-CBTC1.csv b/data-raw/CETperceptual_csv_0_1/CET-CBTC1.csv
deleted file mode 100644
index 93edd15..0000000
--- a/data-raw/CETperceptual_csv_0_1/CET-CBTC1.csv
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diff --git a/data-raw/CETperceptual_csv_0_1/CET-CBTC2.csv b/data-raw/CETperceptual_csv_0_1/CET-CBTC2.csv
deleted file mode 100644
index 82a4ce7..0000000
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diff --git a/data-raw/CETperceptual_csv_0_1/CET-CBTD1.csv b/data-raw/CETperceptual_csv_0_1/CET-CBTD1.csv
deleted file mode 100644
index a24338d..0000000
--- a/data-raw/CETperceptual_csv_0_1/CET-CBTD1.csv
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diff --git a/data-raw/CETperceptual_csv_0_1/CET-CBTL1.csv b/data-raw/CETperceptual_csv_0_1/CET-CBTL1.csv
deleted file mode 100644
index e20d8b8..0000000
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index c1c2677..0000000
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diff --git a/data-raw/CETperceptual_csv_0_1/CET-D01.csv b/data-raw/CETperceptual_csv_0_1/CET-D01.csv
new file mode 100644
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diff --git a/data-raw/CETperceptual_csv_0_1/CET-D01A.csv b/data-raw/CETperceptual_csv_0_1/CET-D01A.csv
new file mode 100644
index 0000000..23b03b6
--- /dev/null
+++ b/data-raw/CETperceptual_csv_0_1/CET-D01A.csv
@@ -0,0 +1,256 @@
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diff --git a/data-raw/CETperceptual_csv_0_1/CET-D02.csv b/data-raw/CETperceptual_csv_0_1/CET-D02.csv
new file mode 100644
index 0000000..65e14c4
--- /dev/null
+++ b/data-raw/CETperceptual_csv_0_1/CET-D02.csv
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diff --git a/data-raw/CETperceptual_csv_0_1/CET-D03.csv b/data-raw/CETperceptual_csv_0_1/CET-D03.csv
new file mode 100644
index 0000000..20b5477
--- /dev/null
+++ b/data-raw/CETperceptual_csv_0_1/CET-D03.csv
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diff --git a/data-raw/CETperceptual_csv_0_1/CET-D04.csv b/data-raw/CETperceptual_csv_0_1/CET-D04.csv
new file mode 100644
index 0000000..00668e2
--- /dev/null
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diff --git a/data-raw/CETperceptual_csv_0_1/CET-D06.csv b/data-raw/CETperceptual_csv_0_1/CET-D06.csv
new file mode 100644
index 0000000..72e90a9
--- /dev/null
+++ b/data-raw/CETperceptual_csv_0_1/CET-D06.csv
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diff --git a/data-raw/CETperceptual_csv_0_1/CET-D07.csv b/data-raw/CETperceptual_csv_0_1/CET-D07.csv
new file mode 100644
index 0000000..76b62be
--- /dev/null
+++ b/data-raw/CETperceptual_csv_0_1/CET-D07.csv
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diff --git a/data-raw/CETperceptual_csv_0_1/CET-D08.csv b/data-raw/CETperceptual_csv_0_1/CET-D08.csv
new file mode 100644
index 0000000..b1b0240
--- /dev/null
+++ b/data-raw/CETperceptual_csv_0_1/CET-D08.csv
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diff --git a/data-raw/CETperceptual_csv_0_1/CET-D09.csv b/data-raw/CETperceptual_csv_0_1/CET-D09.csv
new file mode 100644
index 0000000..e9f1138
--- /dev/null
+++ b/data-raw/CETperceptual_csv_0_1/CET-D09.csv
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diff --git a/data-raw/CETperceptual_csv_0_1/CET-D1.csv b/data-raw/CETperceptual_csv_0_1/CET-D1.csv
deleted file mode 100644
index 1262336..0000000
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diff --git a/data-raw/CETperceptual_csv_0_1/CET-D10.csv b/data-raw/CETperceptual_csv_0_1/CET-D10.csv
index 8a7b840..cbf4fea 100644
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diff --git a/data-raw/CETperceptual_csv_0_1/CET-D11.csv b/data-raw/CETperceptual_csv_0_1/CET-D11.csv
index 06e9122..881e843 100644
--- a/data-raw/CETperceptual_csv_0_1/CET-D11.csv
+++ b/data-raw/CETperceptual_csv_0_1/CET-D11.csv
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diff --git a/data-raw/CETperceptual_csv_0_1/CET-D12.csv b/data-raw/CETperceptual_csv_0_1/CET-D12.csv
index d8cfa13..3e39ba1 100644
--- a/data-raw/CETperceptual_csv_0_1/CET-D12.csv
+++ b/data-raw/CETperceptual_csv_0_1/CET-D12.csv
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diff --git a/data-raw/CETperceptual_csv_0_1/CET-D13.csv b/data-raw/CETperceptual_csv_0_1/CET-D13.csv
index 86fd23a..6f569c8 100644
--- a/data-raw/CETperceptual_csv_0_1/CET-D13.csv
+++ b/data-raw/CETperceptual_csv_0_1/CET-D13.csv
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diff --git a/data-raw/CETperceptual_csv_0_1/CET-D1A.csv b/data-raw/CETperceptual_csv_0_1/CET-D1A.csv
deleted file mode 100644
index ac43fc5..0000000
--- a/data-raw/CETperceptual_csv_0_1/CET-D1A.csv
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diff --git a/data-raw/CETperceptual_csv_0_1/CET-D2.csv b/data-raw/CETperceptual_csv_0_1/CET-D2.csv
deleted file mode 100644
index 6770617..0000000
--- a/data-raw/CETperceptual_csv_0_1/CET-D2.csv
+++ /dev/null
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diff --git a/data-raw/CETperceptual_csv_0_1/CET-D3.csv b/data-raw/CETperceptual_csv_0_1/CET-D3.csv
deleted file mode 100644
index fa87e20..0000000
--- a/data-raw/CETperceptual_csv_0_1/CET-D3.csv
+++ /dev/null
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diff --git a/data-raw/CETperceptual_csv_0_1/CET-D4.csv b/data-raw/CETperceptual_csv_0_1/CET-D4.csv
deleted file mode 100644
index c0a19a5..0000000
--- a/data-raw/CETperceptual_csv_0_1/CET-D4.csv
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diff --git a/data-raw/CETperceptual_csv_0_1/CET-D6.csv b/data-raw/CETperceptual_csv_0_1/CET-D6.csv
deleted file mode 100644
index 65440e6..0000000
--- a/data-raw/CETperceptual_csv_0_1/CET-D6.csv
+++ /dev/null
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diff --git a/data-raw/CETperceptual_csv_0_1/CET-D7.csv b/data-raw/CETperceptual_csv_0_1/CET-D7.csv
deleted file mode 100644
index ebcad24..0000000
--- a/data-raw/CETperceptual_csv_0_1/CET-D7.csv
+++ /dev/null
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diff --git a/data-raw/CETperceptual_csv_0_1/CET-D8.csv b/data-raw/CETperceptual_csv_0_1/CET-D8.csv
deleted file mode 100644
index 09bda09..0000000
--- a/data-raw/CETperceptual_csv_0_1/CET-D8.csv
+++ /dev/null
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diff --git a/data-raw/CETperceptual_csv_0_1/CET-D9.csv b/data-raw/CETperceptual_csv_0_1/CET-D9.csv
deleted file mode 100644
index c746711..0000000
--- a/data-raw/CETperceptual_csv_0_1/CET-D9.csv
+++ /dev/null
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diff --git a/data-raw/CETperceptual_csv_0_1/CET-I1.csv b/data-raw/CETperceptual_csv_0_1/CET-I1.csv
index 422407c..ee06085 100644
--- a/data-raw/CETperceptual_csv_0_1/CET-I1.csv
+++ b/data-raw/CETperceptual_csv_0_1/CET-I1.csv
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diff --git a/data-raw/CETperceptual_csv_0_1/CET-I2.csv b/data-raw/CETperceptual_csv_0_1/CET-I2.csv
index 4ddb0d6..5b58b9d 100644
--- a/data-raw/CETperceptual_csv_0_1/CET-I2.csv
+++ b/data-raw/CETperceptual_csv_0_1/CET-I2.csv
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diff --git a/data-raw/CETperceptual_csv_0_1/CET-I3.csv b/data-raw/CETperceptual_csv_0_1/CET-I3.csv
index be74e0b..1787192 100644
--- a/data-raw/CETperceptual_csv_0_1/CET-I3.csv
+++ b/data-raw/CETperceptual_csv_0_1/CET-I3.csv
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diff --git a/data-raw/CETperceptual_csv_0_1/CET-L01.csv b/data-raw/CETperceptual_csv_0_1/CET-L01.csv
new file mode 100644
index 0000000..c7005f3
--- /dev/null
+++ b/data-raw/CETperceptual_csv_0_1/CET-L01.csv
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diff --git a/data-raw/CETperceptual_csv_0_1/CET-L02.csv b/data-raw/CETperceptual_csv_0_1/CET-L02.csv
new file mode 100644
index 0000000..921590d
--- /dev/null
+++ b/data-raw/CETperceptual_csv_0_1/CET-L02.csv
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diff --git a/data-raw/CETperceptual_csv_0_1/CET-L05.csv b/data-raw/CETperceptual_csv_0_1/CET-L05.csv
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diff --git a/data-raw/CETperceptual_csv_0_1/CET-L06.csv b/data-raw/CETperceptual_csv_0_1/CET-L06.csv
new file mode 100644
index 0000000..961b35d
--- /dev/null
+++ b/data-raw/CETperceptual_csv_0_1/CET-L06.csv
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diff --git a/data-raw/CETperceptual_csv_0_1/CET-L07.csv b/data-raw/CETperceptual_csv_0_1/CET-L07.csv
new file mode 100644
index 0000000..023f95e
--- /dev/null
+++ b/data-raw/CETperceptual_csv_0_1/CET-L07.csv
@@ -0,0 +1,256 @@
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diff --git a/data-raw/CETperceptual_csv_0_1/CET-L08.csv b/data-raw/CETperceptual_csv_0_1/CET-L08.csv
new file mode 100644
index 0000000..3a4e3fd
--- /dev/null
+++ b/data-raw/CETperceptual_csv_0_1/CET-L08.csv
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diff --git a/data-raw/CETperceptual_csv_0_1/CET-L09.csv b/data-raw/CETperceptual_csv_0_1/CET-L09.csv
new file mode 100644
index 0000000..fed08cc
--- /dev/null
+++ b/data-raw/CETperceptual_csv_0_1/CET-L09.csv
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diff --git a/data-raw/CETperceptual_csv_0_1/CET-L1.csv b/data-raw/CETperceptual_csv_0_1/CET-L1.csv
deleted file mode 100644
index 233eae3..0000000
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diff --git a/data-raw/CETperceptual_csv_0_1/CET-L10.csv b/data-raw/CETperceptual_csv_0_1/CET-L10.csv
index ae75d45..a1cb45d 100644
--- a/data-raw/CETperceptual_csv_0_1/CET-L10.csv
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diff --git a/data-raw/CETperceptual_csv_0_1/CET-L11.csv b/data-raw/CETperceptual_csv_0_1/CET-L11.csv
index 30e7d9a..196d703 100644
--- a/data-raw/CETperceptual_csv_0_1/CET-L11.csv
+++ b/data-raw/CETperceptual_csv_0_1/CET-L11.csv
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diff --git a/data-raw/CETperceptual_csv_0_1/CET-L12.csv b/data-raw/CETperceptual_csv_0_1/CET-L12.csv
index 4a284f5..61d0b20 100644
--- a/data-raw/CETperceptual_csv_0_1/CET-L12.csv
+++ b/data-raw/CETperceptual_csv_0_1/CET-L12.csv
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diff --git a/data-raw/CETperceptual_csv_0_1/CET-L13.csv b/data-raw/CETperceptual_csv_0_1/CET-L13.csv
index 3b5b84d..f4ee4bd 100644
--- a/data-raw/CETperceptual_csv_0_1/CET-L13.csv
+++ b/data-raw/CETperceptual_csv_0_1/CET-L13.csv
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diff --git a/data-raw/CETperceptual_csv_0_1/CET-L14.csv b/data-raw/CETperceptual_csv_0_1/CET-L14.csv
index 73f03b5..26a0908 100644
--- a/data-raw/CETperceptual_csv_0_1/CET-L14.csv
+++ b/data-raw/CETperceptual_csv_0_1/CET-L14.csv
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diff --git a/data-raw/CETperceptual_csv_0_1/CET-L15.csv b/data-raw/CETperceptual_csv_0_1/CET-L15.csv
index da603b6..df66689 100644
--- a/data-raw/CETperceptual_csv_0_1/CET-L15.csv
+++ b/data-raw/CETperceptual_csv_0_1/CET-L15.csv
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diff --git a/data-raw/CETperceptual_csv_0_1/CET-L16.csv b/data-raw/CETperceptual_csv_0_1/CET-L16.csv
index 3ba3232..d26db2d 100644
--- a/data-raw/CETperceptual_csv_0_1/CET-L16.csv
+++ b/data-raw/CETperceptual_csv_0_1/CET-L16.csv
@@ -1,256 +1,256 @@
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diff --git a/data-raw/CETperceptual_csv_0_1/CET-L17.csv b/data-raw/CETperceptual_csv_0_1/CET-L17.csv
index 65661eb..4c27d94 100644
--- a/data-raw/CETperceptual_csv_0_1/CET-L17.csv
+++ b/data-raw/CETperceptual_csv_0_1/CET-L17.csv
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diff --git a/data-raw/CETperceptual_csv_0_1/CET-L18.csv b/data-raw/CETperceptual_csv_0_1/CET-L18.csv
index 5f82b1f..95e5438 100644
--- a/data-raw/CETperceptual_csv_0_1/CET-L18.csv
+++ b/data-raw/CETperceptual_csv_0_1/CET-L18.csv
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diff --git a/data-raw/CETperceptual_csv_0_1/CET-L19.csv b/data-raw/CETperceptual_csv_0_1/CET-L19.csv
index da4bcad..652b489 100644
--- a/data-raw/CETperceptual_csv_0_1/CET-L19.csv
+++ b/data-raw/CETperceptual_csv_0_1/CET-L19.csv
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deleted file mode 100644
index 071b47f..0000000
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diff --git a/data-raw/CETperceptual_csv_0_1/CET-L5.csv b/data-raw/CETperceptual_csv_0_1/CET-L5.csv
deleted file mode 100644
index 0c45c60..0000000
--- a/data-raw/CETperceptual_csv_0_1/CET-L5.csv
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diff --git a/data-raw/CETperceptual_csv_0_1/CET-L6.csv b/data-raw/CETperceptual_csv_0_1/CET-L6.csv
deleted file mode 100644
index 1d7e962..0000000
--- a/data-raw/CETperceptual_csv_0_1/CET-L6.csv
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diff --git a/data-raw/CETperceptual_csv_0_1/CET-L7.csv b/data-raw/CETperceptual_csv_0_1/CET-L7.csv
deleted file mode 100644
index 5897f34..0000000
--- a/data-raw/CETperceptual_csv_0_1/CET-L7.csv
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diff --git a/data-raw/CETperceptual_csv_0_1/CET-L8.csv b/data-raw/CETperceptual_csv_0_1/CET-L8.csv
deleted file mode 100644
index 1e161f0..0000000
--- a/data-raw/CETperceptual_csv_0_1/CET-L8.csv
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diff --git a/data-raw/CETperceptual_csv_0_1/CET-L9.csv b/data-raw/CETperceptual_csv_0_1/CET-L9.csv
deleted file mode 100644
index 44b2955..0000000
--- a/data-raw/CETperceptual_csv_0_1/CET-L9.csv
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diff --git a/data-raw/CETperceptual_csv_0_1/CET-R1.csv b/data-raw/CETperceptual_csv_0_1/CET-R1.csv
index 6b0f31b..d05c41d 100644
--- a/data-raw/CETperceptual_csv_0_1/CET-R1.csv
+++ b/data-raw/CETperceptual_csv_0_1/CET-R1.csv
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diff --git a/data-raw/CETperceptual_csv_0_1/CET-R2.csv b/data-raw/CETperceptual_csv_0_1/CET-R2.csv
index d49b334..bc36cd8 100644
--- a/data-raw/CETperceptual_csv_0_1/CET-R2.csv
+++ b/data-raw/CETperceptual_csv_0_1/CET-R2.csv
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diff --git a/data-raw/CETperceptual_csv_0_1/CET-R3.csv b/data-raw/CETperceptual_csv_0_1/CET-R3.csv
index aa9edda..e45d573 100644
--- a/data-raw/CETperceptual_csv_0_1/CET-R3.csv
+++ b/data-raw/CETperceptual_csv_0_1/CET-R3.csv
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diff --git a/data-raw/CETperceptual_csv_0_1/CET-R4.csv b/data-raw/CETperceptual_csv_0_1/CET-R4.csv
new file mode 100644
index 0000000..f6ecfd4
--- /dev/null
+++ b/data-raw/CETperceptual_csv_0_1/CET-R4.csv
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diff --git a/data-raw/CETperceptual_csv_0_1/diverging-isoluminant_cjm_75_c24_n256.csv b/data-raw/CETperceptual_csv_0_1/diverging-isoluminant_cjm_75_c24_n256.csv
deleted file mode 100644
index 2a3cb91..0000000
--- a/data-raw/CETperceptual_csv_0_1/diverging-isoluminant_cjm_75_c24_n256.csv
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diff --git a/data-raw/CETperceptual_csv_0_1/diverging_gkr_60-10_c40_n256.csv b/data-raw/CETperceptual_csv_0_1/diverging_gkr_60-10_c40_n256.csv
deleted file mode 100644
index caebe8c..0000000
--- a/data-raw/CETperceptual_csv_0_1/diverging_gkr_60-10_c40_n256.csv
+++ /dev/null
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diff --git a/data-raw/CETperceptual_csv_0_1/linear_bgy_10-95_c74_n256.csv b/data-raw/CETperceptual_csv_0_1/linear_bgy_10-95_c74_n256.csv
deleted file mode 100644
index 3981bba..0000000
--- a/data-raw/CETperceptual_csv_0_1/linear_bgy_10-95_c74_n256.csv
+++ /dev/null
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diff --git a/data-raw/CETperceptual_csv_0_1/linear_bgyw_15-100_c67_n256.csv b/data-raw/CETperceptual_csv_0_1/linear_bgyw_15-100_c67_n256.csv
deleted file mode 100644
index 058e7b3..0000000
--- a/data-raw/CETperceptual_csv_0_1/linear_bgyw_15-100_c67_n256.csv
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deleted file mode 100644
index 926def1..0000000
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diff --git a/data-raw/CETperceptual_csv_0_1/linear_bmw_5-95_c89_n256.csv b/data-raw/CETperceptual_csv_0_1/linear_bmw_5-95_c89_n256.csv
deleted file mode 100644
index 1fe6bd0..0000000
--- a/data-raw/CETperceptual_csv_0_1/linear_bmw_5-95_c89_n256.csv
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diff --git a/data-raw/CETperceptual_csv_0_1/linear_bmy_10-95_c78_n256.csv b/data-raw/CETperceptual_csv_0_1/linear_bmy_10-95_c78_n256.csv
deleted file mode 100644
index cde8270..0000000
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diff --git a/data-raw/CETperceptual_csv_0_1/linear_kry_5-95_c72_n256.csv b/data-raw/CETperceptual_csv_0_1/linear_kry_5-95_c72_n256.csv
deleted file mode 100644
index 5745c28..0000000
--- a/data-raw/CETperceptual_csv_0_1/linear_kry_5-95_c72_n256.csv
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diff --git a/data-raw/CETperceptual_csv_0_1/linear_kry_5-98_c75_n256.csv b/data-raw/CETperceptual_csv_0_1/linear_kry_5-98_c75_n256.csv
deleted file mode 100644
index 84a38d8..0000000
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diff --git a/data-raw/CETperceptual_csv_0_1/linear_kryw_5-100_c64_n256.csv b/data-raw/CETperceptual_csv_0_1/linear_kryw_5-100_c64_n256.csv
deleted file mode 100644
index 90a40d3..0000000
--- a/data-raw/CETperceptual_csv_0_1/linear_kryw_5-100_c64_n256.csv
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diff --git a/data-raw/CETperceptual_csv_0_1/linear_kryw_5-100_c67_n256.csv b/data-raw/CETperceptual_csv_0_1/linear_kryw_5-100_c67_n256.csv
deleted file mode 100644
index 3fccd8f..0000000
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diff --git a/data-raw/CETperceptual_csv_0_1/linear_ternary-green_0-46_c42_n256.csv b/data-raw/CETperceptual_csv_0_1/linear_ternary-green_0-46_c42_n256.csv
deleted file mode 100644
index 2f938fb..0000000
--- a/data-raw/CETperceptual_csv_0_1/linear_ternary-green_0-46_c42_n256.csv
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diff --git a/data-raw/CETperceptual_csv_0_1/rainbow_bgyr_35-85_c73_n256.csv b/data-raw/CETperceptual_csv_0_1/rainbow_bgyr_35-85_c73_n256.csv
deleted file mode 100644
index 6f02195..0000000
--- a/data-raw/CETperceptual_csv_0_1/rainbow_bgyr_35-85_c73_n256.csv
+++ /dev/null
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diff --git a/data-raw/CETperceptual_csv_0_1/rainbow_bgyrm_35-85_c71_n256.csv b/data-raw/CETperceptual_csv_0_1/rainbow_bgyrm_35-85_c71_n256.csv
deleted file mode 100644
index c2dcc56..0000000
--- a/data-raw/CETperceptual_csv_0_1/rainbow_bgyrm_35-85_c71_n256.csv
+++ /dev/null
@@ -1,256 +0,0 @@
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diff --git a/data-raw/cet_data_build.R b/data-raw/cet_data_build.R
index 91dd1bb..460d730 100644
--- a/data-raw/cet_data_build.R
+++ b/data-raw/cet_data_build.R
@@ -1,5 +1,5 @@
 # Download data
-download.file("http://peterkovesi.com/projects/colourmaps/CETperceptual_csv_0_1.zip",
+download.file("https://colorcet.com/download/CETperceptual_csv_0_1.zip",
               "data-raw/CETperceptual_csv_0_1.zip")
 
 # Unzip it
@@ -34,4 +34,5 @@ for(i in seq_along(color_files)){
 }
 
 # Release finish data build to data/
-devtools::use_data(cet_color_maps, overwrite = TRUE)
+usethis::use_data(cet_color_maps, overwrite = TRUE)
+
diff --git a/data/cet_color_maps.rda b/data/cet_color_maps.rda
index e08ac27..396039b 100644
Binary files a/data/cet_color_maps.rda and b/data/cet_color_maps.rda differ