?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=STUDI+PENGEMBANGAN+MODEL+KLASIFIKASI+YANG+MAMPU%0D%0AMENGKONPENSASI+PENGARUH+UKURAN+PARTIKEL+KOPI+BUBUK+%0D%0APADA+UJI+KEASLIAN+KOPI+LUWAK+DAN+LANANG+MENGGUNAKAN+%0D%0AUV-VISIBLE+SPECTROSCOPY+DAN+METODE+PLS-DA&rft.creator=NICOLAS%2C+1414071065&rft.subject=630+Pertanian+dan+teknologi+yang+berkaitan&rft.description=Kopi+adalah+salah+satu+produk+dasar+yang+berharga+dan+merupakan+komoditas+%0D%0Autama+setelah+minyak+yang+banyak+disukai+masyarakat.+Di+Indonesia+terdapat+%0D%0Ajenis+kopi+spesialti%2C+yaitu+kopi+Luwak+dan+kopi+Lanang.+Kopi+Luwak+adalah+jenis+%0D%0Akopi+arabika+atau+kopi+robusta+yang+telah+dimakan+hewan+Luwak+(Paradoxurus+%0D%0Ahermaproditus).+Disamping+itu%2C+terdapat+jenis+kopi+spesialti+lainnya+yaitu+kopi+%0D%0ALanang.+Kopi+Lanang+ini+berbentuk+biji+tunggal+dan+bulat%2C+tidak+terbelah+seperti+%0D%0Abentuk+biji+kopi+pada+umumnya.+%0D%0AKegiatan+pemalsuan+pangan+di+Indonesia+semakin+banyak+dilakukan+khususnya+%0D%0Auntuk+komoditas+kopi.+Pemalsuan+adalah+upaya+perubahan+tampilan+makanan+%0D%0Amakanan+yang+lebih+murah+dengan+tujuan+meningkatkan+penampilan+makanan+%0D%0Auntuk+memperoleh+keuntungan+yang+sebesar-besarnya.+Pada+penelitian+%0D%0Asebelumnya+sudah+dilakukan+uji+keaslian+kopi+Luwak+dan+Lanang+dengan+%0D%0Amenggunakan+satu+mesh+saja+yaitu+nomor+mesh+50.+Penelitian+ini+dilakukan+uji+%0D%0A1%0D%0Akeaslian+kopi+menggunakan+3+mesh+yaitu+nomor+mesh+12%2C+50%2C+dan+120+dengan+%0D%0Atujuan+untuk+membangun+model+global+yang+mengkonpensasi+berbagai+ukuran+%0D%0Amesh+dalam+mengidentifikasi+keaslian+kopi+Luwak+dan+kopi+Lanang%0D%0Amenggunakan+Uv-vis+spectroscopy+dan+metode+PLS-DA+.+%0D%0AModel+lokal+adalah+model+yang+dibangun+menggunakan+sampel+mesh+yang+sama.+%0D%0ASedangkan+model+global+adalah+model+kalibrasi+dan+validasi+yang+menggunakan+%0D%0Asampel+dengan+kombinasi+sampel+yang+memiliki+nomor+mesh+12%2C+50%2C+dan+120.%0D%0AHasil+penelitian+menunjukkan+data+PCA+600+sampel+mampu+mengidentifikasi+%0D%0Atotal+87%25+keragaman+data+dengan+data+PC1+sebesar+46%25+dan+PC2+sebesar+41%25.+%0D%0APada+model+lokal+menunjukan+bahwa+model+lokal+yang+dibangun+akan+%0D%0Amenghasilkan+nilai+prediksi+yang+baik+jika+diprediksi+terhadap+sampel+mesh+yang+%0D%0Asama+dengan+nilai+RMSEP+dan+bias+yang+kecil.+Sebaliknya%2C+jika+diprediksi+%0D%0Aterhadap+sampel+mesh+yang+berbeda+akan+menghasilkan+nilai+prediksi+yang+%0D%0Akurang+baikdengan+nilai+RMSEP+dan+bias+yang+tinggi+yang+menandakan+bawa+%0D%0Amodel+lokal+sangat+dipengaruhi+oleh+ukuran+partikel.+Setelah+dibangun+model+%0D%0Aglobal+dengan+kombinasi+mesh+12%2C+50%2C+dan+120+mampu+mengkonpensasi+ukuran+%0D%0Apartikel+mesh+dan+mengurangi+nilai+error+pada+RMSEP+dan+bias+tersebut.+%0D%0A__________________________________________________________________%0D%0AKata+Kunci+%3A+Kopi%2C+Luwak%2C+Lanang%2C+Uv-vis+spectroscopy%2C+PLS-DA%2C+RMSEP%2C+%0D%0A+bias%0D%0ACoffee+is+one+of+the+basic+products+that+is+valuable+and+is+the+main+commodity+%0D%0Aafter+oil+which+is+liked+by+many+people.+In+Indonesia+there+are+specialty+of+coffee%2C+%0D%0Anamely+Civet+coffee+and+Peaberry+coffee.+Civet+coffee+is+a+type+of+arabica+coffee+%0D%0Aor+robusta+coffee+that+has+been+eaten+by+civet+animals+(Paradoxurus+%0D%0Ahermaproditus).+Besides+that%2C+there+are+other+special+types+of+coffee%2C+namely+%0D%0APeaberry+coffee.+This+Peaberry+coffee+is+single+and+round+in+shape%2C+not+split+like+%0D%0Athe+shape+of+coffee+beans+in+general.+In+the+previous+study%2C+the+authenticity+of+%0D%0Acivet+and+Peaberry+coffees+was+carried+out+by+using+only+one+mesh%2C+namely+mesh%0D%0Anumber+50.+%0D%0AFood+counterfeiting+activities+in+Indonesia+are+increasingly+being+carried+out+%0D%0Aespecially+for+coffee+commodities.+Counterfeiting+is+an+effort+to+change+the+%0D%0Aappearance+of+cheaper+food+foods+with+the+aim+of+improving+the+appearance+of+%0D%0Afood+to+obtain+maximum+profits.This+study+conducted+the+authenticity+test+of+%0D%0A1%0D%0Acoffee+using+3+mesh%2C+namely+mesh+numbers+12%2C+50%2C+and+120+with+the+aim+of+%0D%0Abuilding+a+global+model+that+compensates+for+various+mesh+sizes+in+identifying+the+%0D%0Aauthenticity+of+civet+coffee+and+fresh+coffee+using+Uv-vis+spectroscopy+and+PLS%EF%BF%BDDA+methods.+%0D%0ALocal+models+are+models+that+are+built+using+the+same+mesh+sample.+Whereas+the+%0D%0Aglobal+model+is+a+calibration+and+validation+model+that+uses+samples+with+a+%0D%0Acombination+of+samples+that+have+mesh+numbers+12%2C+50%2C+and+120.+The+results+of+%0D%0Athe+study+show+that+600+PCA+samples+were+able+to+identify+a+total+of+87%25+of+data+%0D%0Awith+PC1+data+of+46%25+and+PC2+of+41%25.+The+local+model+shows+that+the+local+%0D%0Amodel+that+is+built+will+produce+a+good+predictive+value+if+predicted+against+a+%0D%0Amesh+sample+that+is+the+same+as+the+RMSEP+value+and+a+small+bias.+Conversely%2C+if+%0D%0Apredicted+against+different+mesh+samples+will+produce+a+poor+predictive+value+with+%0D%0Aa+high+RMSEP+value+and+bias+which+indicates+that+the+local+model+is+strongly+%0D%0Ainfluenced+by+particle+size.+Having+built+a+global+model+with+a+combination+of+12%2C+%0D%0A50%2C+and+120+mesh+can+compensate+for+mesh+particle+size+and+reduce+the+error+%0D%0Avalue+in+the+RMSEP+and+the+bias.%0D%0A._______________________________________________________________%0D%0AKeywords%3A+Coffee%2CCivet%2CPeaberry%2C+UV-vis+spectroscopy%2C+PLS-DA%2C+RMSEP%2C+bias%0D%0A&rft.publisher=FAKULTAS+PERTANIAN&rft.date=2019&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F56989%2F1%2FABSTRAK.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F56989%2F2%2FSKRIPSI%2520FULL.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F56989%2F3%2FSKRIPSI%2520TANPA%2520BAB%2520PEMBAHASAN.pdf&rft.identifier=++NICOLAS%2C+1414071065++(2019)+STUDI+PENGEMBANGAN+MODEL+KLASIFIKASI+YANG+MAMPU+MENGKONPENSASI+PENGARUH+UKURAN+PARTIKEL+KOPI+BUBUK+PADA+UJI+KEASLIAN+KOPI+LUWAK+DAN+LANANG+MENGGUNAKAN+UV-VISIBLE+SPECTROSCOPY+DAN+METODE+PLS-DA.++FAKULTAS+PERTANIAN%2C+UNIVERSITAS+LAMPUNG.+++++&rft.relation=http%3A%2F%2Fdigilib.unila.ac.id%2F56989%2F