scholarly journals Analysis Effect Of Thick Ballast On Track Quality Index (TQI) Value Route Wonokromo – Mojokerto

2021 ◽  
Vol 23 (1) ◽  
pp. 30-36
Author(s):  
Untung Subarkah ◽  
Hera Widyastuti ◽  
Catur Arif Prastyanto
Keyword(s):  
Regression Analysis ◽  
Linear Regression ◽  
Quality Index ◽  
Geometrical Structure ◽  
Linear Regression Analysis ◽  
Simple Linear Regression ◽  
Simple Linear Regression Analysis ◽  
Track Quality

In Operational  Area  8 Surabaya there are several railway lines, one of which is the Wonokromo - Mojokerto line. This lane has a fairly heavy train traffic frequency including the connecting lane south. This will affect the quality of roads on the Wonokromo - Mojokerto line. To assess damage to a railroad seen from several aspects in the structure of the railroad. These aspects are the structure of the railroad, the structure of the railroad and the geometrical structure of the railroad. In Indonesian railways, the railroad uses railroad geometry consisting of several parameters (track gauge, cant, longitudinal level, and lateral level.) as a basis for assessing railroad quality. In this study will analyze the structure of the railroad under the thickness of the ballast to the Track Quality Index (TQI). In this study using a simple linear regression analysis to determine the variation of the thickness of the ballast to TQI. From the results of the analysis conducted, obtained thickness changes that occur in ballast that affect the value of the Track Quality Index (TQI). Where the greater ballast, the greater the value of TQI.

scholarly journals The Effect Quality of Service Consumer's for Purchasing Interest on Citilink Airlines at Halim Perdanakusuma International Airport Jakarta

2020 ◽  
Vol 8 (1) ◽  
pp. 16
Author(s):  
Arif Fakhrudin
Keyword(s):  
Quality Of Service ◽  
Regression Analysis ◽  
Linear Regression ◽  
Low Cost ◽  
Linear Regression Analysis ◽  
Simple Linear Regression ◽  
Summary Table ◽  
Simple Linear Regression Analysis ◽  
International Airport

Citilink Indonesia is a low-cost carrier that has a large number of enthusiasts. An increase in public purchasing interest for low-cost airlines, especially for Citilink, is certainly due to Citilink has different characteristics with other low-cost airlines, namely satisfying services. The purpose of this study is to determine whether quality of service affects consumers’ purchasing interest on Citilink Airlines at Halim Perdanakusuma International Airport, Jakarta. This study used data taken from a questionnaire distributed to Citilink customers, in this case passengers who have an official boarding pass from Citilink Airlines in the waiting area of the International Airport. Respondents in this study were service users consisting of 100 respondents. This data is then processed using the SPSS 15.0 program using Simple Linear Regression analysis. The results showed that H0 was rejected and H1 was accepted, which is indicated by F = 399,790 with a 0,000 <0.05, which means there is a significant effect of the quality of service on consumers’ purchasing interest at Citilink Airlines at Halim Perdanakusuma International Airport, Jakarta. The results of simple linear regression analysis using the SPSS program showed an effect of 80.3% which was shown by the Model Summary table and 19.7% was influenced by other factors

The Contribution of Sexual Identity Towards the Students’ Perception of Lesbian, Gay, Bisexual, and Transgender

10.32698/0642 ◽  
2019 ◽  
Vol 2 (2) ◽  
pp. 120
Author(s):  
Wiwi Delfita ◽  
Neviyarni S. ◽  
Riska Ahmad
Keyword(s):  
Regression Analysis ◽  
Linear Regression ◽  
Sexual Identity ◽  
Student Perceptions ◽  
Undergraduate Students ◽  
Linear Regression Analysis ◽  
Sampling Technique ◽  
Simple Linear Regression ◽  
Simple Linear Regression Analysis ◽  
Bisexual And Transgender

Some students perceive lesbian, gay, bisexual, and transgender (LGBT) positively, even though LGBT is a sexual deviation that is not appropriate with values and norms. There are several factors that influence an individual's perception of LGBT, including sexual identity. This study aims at looking at the contribution of sexual identity to student perceptions about LGBT. This research used a quantitative approach with a descriptive method and a simple linear regression analysis. The sample of this research was 385 taken from 15.752 undergraduate students of Universitas Negeri Padang which the sample was drawn by using the Slovin formula and continued with a Proportional Random Sampling technique. The instrument used was the Guttman model's sexual identity scale and the scale of students' perceptions of the LGBT Likert model. After analyzing the data with the descriptive technique and the simple linear regression analysis, the results showed that sexual identity significantly contributed to the students' perceptions of LGBT. This research has implications as a basis for counselors to help students avoid sexual identity mismatches and prevent the emergence of positive perceptions of LGBT.

scholarly journals Trends in the Retinal Nerve Fiber Layer Thickness Changes with Different Degrees of Visual Field Defects

2020 ◽  
Vol 2020 ◽  
pp. 1-6
Author(s):  
Wenhui Geng ◽  
Dabo Wang ◽  
Jing Han
Keyword(s):  
Regression Analysis ◽  
Visual Field ◽  
Linear Regression ◽  
Nerve Fiber ◽  
Retinal Nerve Fiber Layer ◽  
Linear Regression Analysis ◽  
Simple Linear Regression ◽  
Fiber Layer ◽  
Simple Linear Regression Analysis ◽  
Rnfl Thickness

Purpose. To explore the disease progression of primary open-angle glaucoma (POAG) in individuals with different degrees of VF defects by analyzing the trends in retinal nerve fiber layer (RNFL) changes at each stage. Methods. A total of 39 patients (77 eyes) were divided into three groups based on the severity of glaucomatous visual field (VF) loss: the first group included patients with mild baseline VF defects (mild group; n = 21 eyes). The second group included patients with moderate VF defects (moderate group; n = 18 eyes). The third group included patients with severe baseline VF defects (severe group; n = 38 eyes). For all patients, slit-lamp biomicroscopy of the anterior and posterior segments and detailed fundus and optic disc inspections were performed, the intraocular pressure (IOP) was measured by Goldman tonometry, best-corrected visual acuity (BCVA) was measured, the RNFL thickness was measured by OCT, and the VF was assessed by the Octopus perimeter. All the groups were followed up postoperatively for 18 months. Results. The mean RNFL thickness was recorded for all the visits. Using simple linear regression analysis, we found that the R2 values of the three groups were 0.988, 0.982, and 0.814, respectively, and the slopes of mean RNFL thickness changes for mild, moderate, and severe baseline VF defects were −0.088, −0.082, and −0.015, respectively. Moreover, we used simple linear regression analysis to explore whether and how the speed of RNFL thinning differs across groups. The R2 values of the three groups were 0.982, 0.978, and 0.805, respectively, and the slopes for mild, moderate, and severe baseline VF defects were 0.089, 0.085, and 0.017, respectively. Conclusion. The rate of RNFL thinning is linear; RNFL thinning is the fastest in individuals with mild baseline VF defects, followed by those with moderate baseline VF defects. In individuals with severe VF defects, changes in the RNFL thickness do not appropriately reflect the progression of the disease. The clinical trial is registered with ChiCTR2000028975.

scholarly journals IMPLANTS AND INJECTIONS ARE FAVORITE CONTRACEPTION TOOLS IN SUMATERA SELATAN

2019 ◽  
Vol 5 (3) ◽  
pp. 147-150
Author(s):  
Mukni Mukni
Keyword(s):  
Regression Analysis ◽  
Family Planning ◽  
Linear Regression ◽  
Linear Regression Analysis ◽  
Simple Linear Regression ◽  
Contraceptive Methods ◽  
Poverty Level ◽  
Short Term ◽  
Simple Linear Regression Analysis

Background: The choice of contraception by family planning acceptors greatly determines the success rate of the family planning program, because not all contraceptives are suitable for someone. This study aims to determine what types of contraceptives chosen by family planning acceptors and whether there is a relationship between the selection of contraceptives there is a relationship with the poverty level in the District / City in South Sumatra in 2015, 2016 and 2017. The source of data obtained from the Provincial BPS South Sumatra. Methodology: This study uses a descriptive approach with a simple linear regression analysis method. Results: The results of the analysis were grouped into two, first long-term contraception method KB IUD, MOW, MOP and implants, both short-term contraceptive methods namely injection KB, pill and condom from 17 regencies / cities in South Sumatra. Conclusion: contraception devices that are mostly chosen by long-term contraceptive methods are implants (10000-35000) or 10-20 times larger than other contraceptives. Short-term contraceptive methods are injections, (7700 - 76000) or 5-7 times greater than other contraceptives. From the simple linear regression analysis it turns out that the relationship of long-term contraceptive selection by acceptors with the poverty level is R² = 0.7382 and the short-term method R² = 0.9223. District / City Governments in South Sumatra should provide alokon (contraceptive devices and drugs) in accordance with the type and amount in the field to be on target

scholarly journals The Effect of Exchange Value on the Stock Index Listed in Indonesia Stock Exchange during Covid-19 Pandemic

2021 ◽  
Vol 2 (1) ◽  
pp. 6-14
Author(s):  
Zahra Zhafira ◽  
Einde Evana ◽  
Ratna Septiyanti
Keyword(s):  
Regression Analysis ◽  
Exchange Rate ◽  
Linear Regression ◽  
Exchange Rates ◽  
Stock Exchange ◽  
Linear Regression Analysis ◽  
Stock Index ◽  
Simple Linear Regression ◽  
Simple Linear Regression Analysis ◽  
Stock Indices

This study aims to examine the effect of exchange rates on the stock index during the Covid-19 pandemic. This research was conducted using secondary data. The population in this study were all stock indices listed on the Indonesia Stock Exchange with a sample size of 89 and a total stock index of 34. The study period was 4 months, 17 January 2020 to 20 May 2020. The sample data collection of this study used the purposive method. Sampling with world economic conditions and Indonesia which are weakening due to the Covid-19 pandemic and based on the phenomenon that the exchange rate is experiencing a continuous movement even every year the exchange rate depreciates IDR against the US Dollar. One of the causes of the high fluctuation of the rupiah exchange rate against the dollar came from economic factors such as inflation, the interest rate on Bank Indonesia certificates during the Covid-19 pandemic. This study uses a simple linear regression analysis method using SPSS V.26. The results of simple linear regression analysis show that exchange rates have a negative and significant effect on all stock indices listed on the Indonesia Stock Exchange, these results have similarities or differences with the results of research in other emerging market countries.

AGAMA DAN FILANTROPI: PENGARUH PROMOSI TERHADAP MINAT MASYARAKAT MENJADI FILANTROPIS ZAKAT (MUZAKKI) PADA LEMBAGA AMIL ZAKAT DI KOTA AMBON

2020 ◽  
Vol 16 (1) ◽  
Author(s):  
Rosna Kurnia ◽  
Dety Aryani Relubun ◽  
Wahyu Ismail Kurnia ◽  
Roni Ismail
Keyword(s):  
Regression Analysis ◽  
Linear Regression ◽  
Data Collection ◽  
Linear Regression Analysis ◽  
Life Quality ◽  
Literary Study ◽  
Simple Linear Regression ◽  
Muslim Majority ◽  
Promotion Effort

Each religion obliges its followers to do philanthropy deed. Zakat is one of philanthropy tenets in Islam. In Islam, zakat is believed to be one of the vital instruments in an effort to eradicate poverty, decrease unemployment rate, and improve the life quality of society. As Muslim majority country, Indonesia rightly need to optimize the zakat philanthropy program through stimulating people's inclination to become loyal zakat philanthropist or Muzakki in one of the Zakat collection agencies in Indonesia. This research, therefore, is aiming at analyzing the influence of promotion on forming people's interest in becoming Muzakki in one of the Zakat agencies in Ambon, Maluku province. The quest was particularly conducted in YAKESMA Zakat Agency in Ambon. The data collection processes were literary study, interview, and questionnaire allotment regarding the research. As for the data analyzing, the simple linear regression analysis was used with variables consisting of promotion scale and people's proclivity of 25 out of 154 respondents. The outcome of the research indicated that the promotion scale has a significant improvement of people's proclivity to become Muzakki or zakat philanthropist in YAKESMA Zakat agency in Ambon. The promotion effort contributed 78.9 percent in forming Ambonese’s proclivity to become loyal zakat philanthropist (Muzakki) in YAKESMA Zakat agency in Ambon.

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