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All Journal Majalah Ilmiah Matematika dan Statistika (MIMS) JMAEKA: Jurnal Manajemen Ekonomi Akuntansi
Rahman, Dany
Unknown Affiliation
Humanities Economics, Econometrics & Finance Mathematics

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Peramalan dan dekomposisi untuk mata uang kripto dengan model facebook prophet Rahman, Dany; Rachmatin, Dewi; Marwati, Rini
Majalah Ilmiah Matematika dan Statistika Vol. 24 No. 1 (2024): Majalah Ilmiah Matematika dan Statistika
Publisher : Jurusan Matematika FMIPA Universitas Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19184/mims.v24i1.39159

Abstract

Cryptocurrencies are becoming one of the hottest topics in Indonesia's society. One of those issues concerns investors who incur financial losses as a result of investing in crypto. The facebook Prophet model, one of the forecast models, can offer a solution to this problem. The Prophet model is built using four function. These variables are trend, seasonality, holidays, and additional regressions. The Prophet model benefits from a number of advantages, one of which is its ability to generate decomposition graphs. The decomposition may give analysts more insight into the data they are analyzing. The Prophet model is used to forecast and decompose the price of a cryptocurrenciy called Solana in this study. A multiplicative model with linear function as trend function, weekly seasonality, and daily seasonality as seasonality function is the best model for Solana price forecasting and decomposition. Additionally, hyperparameters in the model are tuned so the model won’t suffer underfitting or overfitting indications. The fitted Prophet model is good at forecasting as a result of the evaluation process. As a result of the forecast and decomposition, the forecasted value and the decomposition graph of the Solana exchange rate for one hour later show that the price of Solana will remain constant. Keywords: Cryptocurrency, time series, forecasting, decomposition, facebook prophetMSC2020: 62M10
Pengaruh Lingkungan Kerja dan Manajemen Konflik Terhadap Kinerja Karyawan PT KB Finansia Multi Finance Kreditplus Cabang Tambun Rahman, Dany; Syarif, Mahmud
Jurnal Mnajemen | Ekonomi | Akuntansi Vol 1 No 2 (2025): Maret 2025 - Mei 2025
Publisher : CV Warnak Johanna Nusantara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.63921/jmaeka.v1i2.47

Abstract

Performance is the result of work achieved by a person in their efforts to achieve organizational or corporate goals. The performance of employees in a company does not always increase and sometimes even decreases, this is due to various conflicts and stress in the workplace environment that must be faced by employees. The purpose of this study was to determine the effect of work environment and conflict management on the performance of employees of PT KB Financial Multi Finance Kreditplus Tambun Branch, where work environment variables affect employee performance, however, conflict management variables do not affect employee performance. The population is all employees of PT KB Finansia Multi Finance Kreditplus Tambun Branch, totaling 44 people. The data obtained from the questionnaire was tested with validity and reliability tests and hypothesis testing using multiple linear regression, determination test (R2), F test, and T-test. The results showed that employee performance was significantly influenced partially by work environment factors. With a Thitung value of 6.731> from Table 2.019. The compensation management variable has no significant effect partially on employee performance sig 0.996> from 0.05. With a Thitung value of 0.005 < from Ttabel 2.019. From the results of the f-test calculation, it can be seen that the work environment variables and conflict management together affect employee performance.
Co-Authors Dewi Rachmatin Mahmud Syarif Rini Marwati