Penerapan Geostatistika Ordinary Kriging dalam Estimasi Harga Tanah (Studi Kasus: Kecamatan Samarinda Utara Kota Samarinda)
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Date
2021-12Author
Natalisanto, Adrianus Inu
Lepong, Piter
Lestari, Mutiara Ayu
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The Ordinary kriging geostatistical method is an interpolation method that used spatial
data. This method is generally used to estimate coal and mineral resources. However,
over time this method is also used in estimating land prices. The purpose of this
research is to determine the best model for a land price estimation in Sempaja Selatan
Sub-District between spherical models, Exponential models, and Gaussian models, and
the best semivariogram model displayed in the form of a contour map. Interpolated
using the three models to get the predicted value and calculated RMSE to determine
the performance of the model, which the spherical model is the best because it has the
smallest RMSE value. In this method, a contour map of the estimation results of land
prices in the Sempaja Selatan. The lowest land prices are found to be predominantly
located in the northwest and north of Sempaja Selatan Sub-District. The lowest price of
the land range from Rp. 279.000,00 to Rp. 900.000,00 per m2
and the highest price of
land is predominantly located in the southern part of Sempaja Selatan Sub-District with
prices ranging from Rp. 2.982.000,00 to Rp. 4.981.000,00 per m2
.