Analisis Komponen Utama dan Biplot untuk Mereduksi Faktor Inflasi Berdasarkan Indeks Harga Konsumen

Authors

  • Anne Mudya Yolanda Universitas Riau, Pekanbaru, Indonesia
  • Arisman Adnan Universitas Riau, Pekanbaru, Indonesia
  • Rustam Efendi Universitas Riau, Pekanbaru, Indonesia
  • Haposan Sirait Universitas Riau, Pekanbaru, Indonesia
  • Irfansyah Irfansyah Universitas Riau, Pekanbaru, Indonesia
  • Okta Bella Syuhada Universitas Riau, Pekanbaru, Indonesia
  • Rahmad Ramadhan Laska Universitas Riau, Pekanbaru, Indonesia
  • Riko Febrian Universitas Riau, Pekanbaru, Indonesia

DOI:

https://doi.org/10.46963/jam.v5i2.766

Keywords:

Inflation, CPI, Principal Component Analysis, Biplot Analysis, Variance

Abstract

Inflation of a region can be measured from the Consumer Price Index (CPI) by spending group. The aim is to look at the factors that influence monthly inflation based on the CPI for 2021. Principal Component Analysis is used to reduce the expenditure group variables in the CPI, followed by biplot analysis to display the visualization of the first two main components of the PCA in a two-dimensional graph. The results of the main component analysis, (1) the primary expenditure component consists of housing, water, electricity and household fuel variables; equipment, tools and household routine maintenance; transportation; information, communication and financial services; recreation, sports and culture, (2) secondary expenditure components include food, drink and tobacco variables; health; education; general, and (3) complementary expenditure components, namely clothing and footwear variables; personal equipment and other services. These three components simultaneously can represent 88.1% of the diversity of the data. Biplot analysis succeeded in describing the similarity and position of the variables with a total variance of 75%

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References

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Published

2022-12-30

How to Cite

Yolanda, A. M., Adnan, A., Efendi, R., Sirait, H., Irfansyah, I., Syuhada, O. B., Laska, R. R., & Febrian, R. (2022). Analisis Komponen Utama dan Biplot untuk Mereduksi Faktor Inflasi Berdasarkan Indeks Harga Konsumen. AL-Muqayyad, 5(2), 69–79. https://doi.org/10.46963/jam.v5i2.766

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