Wijaya, Pricilia Audy (2025) Analisis faktor makroekonomi terhadap nilai ekspor impor Indonesia menggunakan metode regresi ridge, regresilasso,dan regresi elastic net = Analysis of the influencing macroeconomic factors on Indonesia’s export and import values using ridge, lasso, and elastic net regressions. Bachelor thesis, Universitas Pelita Harapan.
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Abstract
Aktivitas ekonomi sangatlah penting dalam pergerakkan ekonomi negara.
Beberapa aktivitas ekonomi yang memengaruhi adalah pergerakkan ekspor dan
impor. Oleh karena itu, penelitian ini melakukan analisis ekspor dan impor
Indonesia menggunakan faktor-faktor makroekonomi seperti nilai Produk
Domestik Bruto (PDB), kurs valuta asing, jumlah uang beredar, nilai inflasi,
Indeks Harga Perdagangan Besar (IHPB), harga emas berjangka, dan indeks harga
saham. Dengan adanya masalah multikolinearitas pada data, maka analisis
dilakukan menggunakan Regularized Least Square Regression (RIDGE), Least
Absolute Shrinkage and Selection Operator Regression (LASSO), dan regresi
Elastic Net. Lalu, ketiga model ini akan diukur kinerja performanya menggunakan
Mean Absolute Percentage Error (MAPE), Root Mean Square Error (RMSE), dan
R-Squared.
Hasil performa menunjukkan bahwa metode regresi LASSO
memberikan hasil terbaik untuk Impor yaitu dengan MAPE testing sebesar
12,02%, RMSE testing sebesar 2411,343, dan R-Squared testing sebesar-106,61%. Metode regresi LASSO juga memberikan hasil terbaik untuk Ekspor
Migas (Januari 2012- Maret 2024) dengan MAPE testing sebesar 59%, RMSE
testing sebesar 846,639, dan R-Squared testing sebesar-2433,63%. Lalu, untuk
ekspor migas (Januari 2012- Agustus 2022 ), Metode regresi RIDGE memberikan
hasil terbaik dengan MAPE testing sebesar 22,07%, RMSE testing sebesar
329,8969 , dan R-Squared testing sebesar-71,19%. Terakhir, metode regresi
LASSO juga memberikan hasil terbaik untuk ekspor non migas dengan MAPE
testing sebesar 9,24%, RMSE testing sebesar 2321,691, dan R-Squared testing
sebesar 1,07%. / Economic activities play an important role towards a country’s economic
movements. Some economic activities that influence this movement include
export and import activities. Therefore, this study analyzes Indonesia’s export and
import activities using several macroeconomic factors such as Gross Domestic
Product (GDP), foreign exchange rates, money supply, inflation rate, Wholesale
Price Index (WPI), gold futures prices, and stock indices. Due to the presence of
multicollinearity in the data, the analysis is conducted using Regularized Least
Squares Regression (RIDGE), Least Absolute Shrinkage and Selection Operator
Regression (LASSO), and Elastic Net regression. Furthermore, the performance of
these three models is evaluated using Mean Absolute Percentage Error (MAPE),
Root Mean Square Error (RMSE), and R-Squared. The results show that the
LASSO method provided the best result for imports with a testing MAPE of
12.02%, a testing RMSE of 2411.343, and a testing R-Squared of-106.61%.The
LASSO method also provided the best results for oil and gas exports (January
2012– March 2024), with a testing MAPE of 59%, a testing RMSE of 846.639,
and a testing R-Squared of-2433.63%. Meanwhile, for oil and gas exports
(January 2012– August 2022), RIDGE method provided the best performance,
with a testing MAPE of 22.07%, a testing RMSE of 329.8969, and a testing
R-Squared of-71.19%. Lastly, the LASSO method also showed the best results for
non-oil and gas exports, with a testing MAPE of 9.24%, a testing RMSE of
2321.691, and a testing R-Squared of 1.07%.
Item Type: | Thesis (Bachelor) |
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Creators: | Creators NIM Email ORCID Wijaya, Pricilia Audy NIM01112210007 priciliaaudy82003@gmail.com UNSPECIFIED |
Contributors: | Contribution Contributors NIDN/NIDK Email Thesis advisor Margaretha, Helena NIDN0312057504 helena.margaretha@uph.edu Thesis advisor Cahyadi, Lina NIDN0328077701 lina.cahyadi@uph.edu |
Uncontrolled Keywords: | ekspor; impor; multikolinearitas; metode RIDGE; metode LASSO; metode Elastic Net; exports; imports; multicollinearity; RIDGE method; LASSO method; Elastic Net method. |
Subjects: | Q Science > QA Mathematics |
Divisions: | University Subject > Current > Faculty/School - UPH Karawaci > Faculty of Science and Technology > Mathematics Current > Faculty/School - UPH Karawaci > Faculty of Science and Technology > Mathematics |
Depositing User: | Stefanus Tanjung |
Date Deposited: | 09 Aug 2025 15:35 |
Last Modified: | 09 Aug 2025 15:35 |
URI: | http://repository.uph.edu/id/eprint/70433 |