Estimation of plant biomass based on the allometric equation

1981 ◽  
Vol 11 (4) ◽  
pp. 833-834 ◽  
Author(s):  
David O. Yandle ◽  
Harry V. Wiant Jr.
Keyword(s):  
Linear Regression ◽  
Plant Biomass ◽  
Allometric Equation ◽  
Arithmetic Mean ◽  
Measurement Scale ◽  
Simple Linear Regression ◽  
The Mean ◽  
The One ◽  
Biased Estimates

Estimation of the parameters in the allometric equation by fitting a simple linear regression to the logarithmically transformed variables results in biased estimates of the arithmetic mean. This bias expressed as a percent of the mean approaches the limit −(1 − e−σ2/2) (100) as n increases. An adjusted estimator developed by Finney rather than the one given by Baskerville should be used when s2 is large and n is small. A change of measurement scale of the x or y variables presents no difficulty, but problems arise if variables are transformed to logarithms other than base e.

scholarly journals Emotion-Focused Coping Strategies As Predictors of New Inmates’ Adjustment in the Pandemic Era

2021 ◽  
Author(s):  
Moh. Bisri ◽  
Putri Arum Ayu Iriany Karsiyanto ◽  
Afifah Chusna Az Zahra ◽  
Tutut Chusniyah
Keyword(s):  
Linear Regression ◽  
Coping Strategies ◽  
Quantitative Research ◽  
Descriptive Analysis ◽  
Linear Regression Analysis ◽  
Correctional Facility ◽  
Simple Linear Regression ◽  
Saturated Sample ◽  
Coping Scale ◽  
The One

This study aims to (1) find out the emotion-focused coping strategies used by the new inmates in the Class IIA Female Correctional Facility of Malang City, (2) understand the illustration of new inmates’ adjustment, (3) find out whether emotion-focused coping is a predictor of new inmates’ adjustment. This study employs predictive- quantitative research with descriptive analysis and applies simple linear regression on the population of new inmates at the Class IIA Female Correctional Facility of Malang City. The study uses the one-shot tryout technique. The subjects were selected using a saturated sample of 118 respondents. The instruments used were the adaptation of the Prison Adjustment Questionnaire (PAQ) and the adaptation of the Ways of Coping Scale (WCQ). The descriptive analysis uses categorization based on the T value, while hypothesis testing uses simple linear regression analysis techniques. This study resulted in an accepted hypothesis with a significance value of 0.014, an R value of 0.336, and an R square value of 0.181, which indicated that emotion-focused coping contributed to the emergence of self-adjustment by 18.1%. The use of emotion- focused coping can be used to develop self-adjustment for inmates in correctional environments, in addition to the emotion-focused coping that successfully applied can increase the self-esteem and capacity of inmates to overcome their problems in the future. Keywords: emotion-focused coping, adjustment, new inmates

STATISTICAL INFERENCE FOR K INDEPENDENT, HOMOGENEOUS ARITHMETIC PROCESSES

2000 ◽  
Vol 07 (03) ◽  
pp. 223-236 ◽  
Author(s):  
FRANCIS KIT-NAM LEUNG
Keyword(s):  
Stochastic Process ◽  
Linear Regression ◽  
Renewal Process ◽  
Random Variable ◽  
Simple Linear Regression ◽  
Variable Formula ◽  
Mean And Variance ◽  
The Mean ◽  
Time Continuum ◽  
Area Of Application

For k=1,…, K, a stochastic process {An,k, n =1, 2,…} is an arithmetic process (AP) if there exists some real number, d, so that {An,k +(n-1)d, n =1, 2,…} is a renewal process (RP). AP is a stochastically monotonic process and can be used to model a point process, i.e., point events occurring in a haphazard way in time (or space), especially with a trend. For example, the events may be failures arising from a deteriorating machine; and such a series of failures is distributed haphazardly along a time continuum. In this paper, we discuss estimation procedures for K independent, homogeneous APs. Two statistics are suggested for testing whether K given processes come from a common AP. If this is so, we can estimate the parameters d, [Formula: see text] and [Formula: see text] of the AP based on the techniques of simple linear regression, where [Formula: see text] and [Formula: see text] are the mean and variance of the first average random variable [Formula: see text], respectively. In this paper, the procedures are, for the most part, discussed in reliability terminology. Of course, the methods are valid in any area of application, in which case they should be interpreted accordingly.

scholarly journals EFFECT OF THE DISTANCES OF PUBLIC HEALTH FACILITIES FROM THE NEAREST MAJOR ROADS ON SKILLED DELIVERIES CONDUCTED IN KISUMU COUNTY, KENYA

2019 ◽  
Vol XLII-4/W14 ◽  
pp. 203-207
Author(s):  
K. Rombosia ◽  
E. Oele ◽  
N. Rangara ◽  
J. Mwaura ◽  
B. Mitto ◽  
...  
Keyword(s):  
Public Health ◽  
Linear Regression ◽  
Health Facility ◽  
Health Facilities ◽  
Major Road ◽  
Simple Linear Regression ◽  
Skilled Delivery ◽  
Public Health Facilities ◽  
Fixed Distance ◽  
The Mean

<p><strong>Abstract.</strong> The project sought to describe health facility accessibility and its effect on skilled delivery in Kisumu in line with the pillars of UHC. Proportion of skilled deliveries for 156 public health facilities conducted in 2016 was mined from DHIS2. Healthcare physical services accessibility was represented using a 5km radius fixed distance buffering around health facilities and the health facilities’ distances to the nearest major roads. Simple linear regression was then done between distances of the health facilities to their nearest major roads and skilled deliveries conducted in the health facilities. The mean skilled delivery was 42.5% (Median&amp;thinsp;=&amp;thinsp;45.8%, Range 0 to 358% and IQR&amp;thinsp;=&amp;thinsp;48.6%). There exist 4 pockets of underserved areas in Nyando, Nyakach and Muhoroni sub counties measuring 21&amp;thinsp;km<sup>2</sup>, 52&amp;thinsp;km<sup>2</sup>, 60&amp;thinsp;km<sup>2</sup>, 65&amp;thinsp;km<sup>2</sup> and 94&amp;thinsp;km<sup>2</sup> respectively. Distance from the nearest road to skilled deliveries conducted, showed the R<sup>2</sup> value was 0.02. The study found out that underserved areas are located away from major roads. The mean skilled delivery was lower than the national of 65%. However some facilities exceeded 100%. This can be explained by in referrals that cause such facilities to exceed their projected workloads. The distance of a health facility to the nearest major road is inversely proportional to the skilled deliveries conducted meaning that the further a heath facility is from a major road, lesser the skilled deliveries conducted in that facility and vice versa. However, this model is weak in establishing such an effect because of the low R<sup>2</sup> value. In conclusion, there are pockets of underserved areas in Kisumu and distance of health facilities from the nearest major road does not significantly affect the conduct of skilled deliveries in Kisumu County.</p>

scholarly journals Evolution of slaughter precocity in male beef cattle in the Carne Pampa programme

2020 ◽  
Vol 21 ◽  
Author(s):  
Caroline de Avila Fernandes ◽  
Fabiano Nunes Vaz ◽  
Leonir Luiz Pascoal ◽  
Paulo Santana Pacheco ◽  
Matheus Lehnhart de Moraes ◽  
...  
Keyword(s):  
Regression Analysis ◽  
Linear Regression ◽  
Beef Cattle ◽  
Linear Regression Analysis ◽  
Cold Season ◽  
Mean Value ◽  
Simple Linear Regression ◽  
Annual Increase ◽  
Hot Season ◽  
The Mean

Abstract The aim of this study was to analyse precocity behaviour over nine years in Hereford steers and their crosses, slaughtered with from zero to six teeth. Approximately 144,000 certified carcases in the Carne Pampa programme were analysed between 2010 and 2018. The increase in cold carcase weight per year was evaluated for three periods of the year: the hot season was defined as 26 December to 25 May, the autumn void was defined as 26 May to 25 July, and the cold season from 26 July to 25 December. To assess the behaviour of cold carcase weight over the years per season, the data were submitted to simple linear regression analysis. The average weights per season were compared by the mean value comparison test. The cold season had the highest mean carcase weight, with 239.1 kg, showing an annual increase of 6.45 kg. Analysing the behaviour of mean carcase weight by dentition, animals with zero teeth showed a greater weight increase over the years during the cold season as well as during the autumn void; during the hot season, animals slaughtered with two teeth showed the greater increase in weight. The category that showed the least increase in weight for all three seasons were animals slaughtered with six teeth. It was concluded that over the nine years, there was an increase in slaughter precocity in male cattle certified in the Carne Pampa programme.

The wave front spread rate of Chinese ferret-badger rabies in eastern Taiwan

2021 ◽  
Vol 2 (1) ◽  
pp. 057-062
Author(s):  
Wen-Jane Tu ◽  
Satoshi Inoue ◽  
Kwong-Chung Tung ◽  
Tien-Huan Hsu ◽  
Cheng-Yao Yang ◽  
...  
Keyword(s):  
Linear Regression ◽  
Wave Front ◽  
Rabies Virus ◽  
Epidemiological Data ◽  
Simple Linear Regression ◽  
Spread Rate ◽  
First Case ◽  
The World ◽  
The Mean

This study used epidemiological data of Chinese ferret-badger (CFB) rabies in eastern Taiwan, the Hualien County, from July 2013 to December 2020 to estimate its wave front spread rate. The first case of the CFB rabies virus in eastern Taiwan was detected in Zhuoxi Township in Hualien County on July 31, 2013. Our technique regressed TIME (months elapsed from the first case in Zhuoxi and the first case in each infected township invaded by the first case of CFB rabies) on DISTANCE (kilometers between locations of the first case in Zhuoxi and centroids of each infected township invaded by the first case of CFB rabies), using simple linear regression. The mean rate of wave front spread was 10.698 kilometers/year. The correlation between TIME and DISTANCE was R = 0.9273 at p = 0.0001. As CFB rabies has only occurred in China and Taiwan, studies on its epidemiology are extremely rare. This paper is the first study to estimate the wave front spread rate of CFB rabies in the world.

scholarly journals PENGARUH KEPEMIMPINAN KEPALA SEKOLAH DAN SIKAP YANG TERARAH PADA PEMIKIRAN YANG BERAGAM TERHADAP PERFORMA KREATIVITAS GURU DI SEKOLAH SMA ST MARIA MEDAN

2020 ◽  
Vol 10 (2) ◽  
pp. 162
Author(s):  
Regina Sipayung
Keyword(s):  
Linear Regression ◽  
Performance Data ◽  
Simple Linear Regression ◽  
New Ideas ◽  
Research Findings ◽  
The One ◽  
And Behavior ◽  
To Receive

The problems of this research are the lack of students who enroll to SMA St Maria Medan and the less amount of entire students from Classes IX – XII. The one way leadership of the principal of SMA St Maria Medan and not open to receive new ideas from teachers cause the teachers become not creative and not variative in performing learning teaching processes. They are also not active in attending events held by the school. The objectives of this research are to analyze the effects of the principal’s leadership and behavior oriented to various thoughts on the teachers’ creativity performance. Data were collected by using questionnaires and interviewing the principal, teachers, and 30 (thirty) administrative staffs. Data were analyzed by using simple linear regression. The research findings show that there is a significant effect of the principal’s leadership on the teachers’ creativity performance; that is 0.538 (pretty strong) and there is a significant effect of the principal’s various thoughts on the teachers’ creativity performance; that is 0.78 (very strong).Keywords: Principal’s leadership, various thoughts, creativity performance

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.

Pengaruh Penghargaan Terhadap Kinerja Karyawan pada CV. Dino Manunggal Karsa Bogor

2019 ◽  
Vol 4 (2) ◽  
pp. 17
Author(s):  
Dedy Mulyadi ◽  
Didik Purwanto
Keyword(s):  
Linear Regression ◽  
Performance Assessment ◽  
Correlation Coefficient ◽  
Linear Regression Analysis ◽  
Strong Relationship ◽  
Simple Linear Regression ◽  
New Employees ◽  
Company Policy ◽  
Effective Manner ◽  
Relationship Of

The question of compensation in addition to sensitive to be driving someone to worl due to an effect on morale and discipline employees. Therefore , any  agency or any organization should be able to provide compensation equal to the workload  to create a workforce that efficient and effective manner can be realized. Amaore than that, the company’s goal to improve performance. Performance assessment is a subjective process that involves human judgments. Thus, performance assessment is very likely wrong and very easily influonced by sources that are not actual, so it must be taken into account and considered reasinable. Frformance appraisals are considered  to meet the target if it has a good impact on new employees who rated their performance. Simple linear regression analysis using SPSS version 12:00 data processing obtained tegression equation Y = 0,487 X 74 + with an explanation of X = award, 74 = constant, 0.487 = coefficient awards, and Y = performance based on simple linear regression equation in case of increase of one unit of the  performance award will be increased 0.487 units. If company policy negates the performance award will remain at a constant rate (74) units . (A) Test results obtained thitung significant constants of (12.574) > t table for (1.960 then reject Ho constanta significant meaning. (B) significant Test award coefficient t count the results obtained by (2.164)> t table foe (1.96) then reject Ho the mean coeffent of appreciation affect the performance . (C) correlation coefficient analysis is done by calculating the product moment corration (pearson)  to test  whether or not a strong  relationship between the variables X  dan Y , based on the results of cakculations with SPSS  table valuse obtained by calculating the  correlation coefficient r (0.3100> r on the table for a = 0,05 (0.291) then reject Ho, which means there is a relationship of respect for performance. When we enter these valuse in the table shows the interpretation of the correlation coefficient between the interval from 0.20 to 0.399 which has a low relationship

Maintaining Customer Loyalty by Intensifying Service Quality and Customer Satisfaction in Commuter Line Jabodetabek

2019 ◽  
Vol 10 (9) ◽  
pp. 902-909
Author(s):  
Umbas Krisnanto ◽  
◽  
Conny Marpaung ◽  
Keyword(s):  
Data Analysis ◽  
Linear Regression ◽  
Customer Satisfaction ◽  
Service Quality ◽  
Hypothesis Testing ◽  
Customer Loyalty ◽  
T Test ◽  
Coefficient Of Determination ◽  
Simple Linear Regression ◽  
Significance Level

This study aims to determine and analyze the influence of Service Quality and Customer Satisfaction on Customer Loyalty in Jabodetabek Commuter Line. The sample of this study was 50 people. Methods of collecting data by distributing questionnaires. Data analysis using the analysis used is simple linear regression, t test and coefficient of determination. The results showed 1) Service Quality has a positive and significant effect on Customer Loyalty in Jabodetabek Commuter Line, with a significance level of 0.048; and supported by the results of hypothesis testing with a t-count value of 4.433 > t-table value of 1.95, with a significance of 0.048 or < 0.05; 2) Customer Satisfaction positive and significant effect on Customer Loyalty in Jabodetabek Commuter Line, with a level significance of 0,000; and supported by the results of hypothesis testing with a t-count value of 4,969 > t-table value of 1.95, with a significance of 0,000 or < 0.05, 3) Service quality and Customer Satisfaction have a positive and significant effect on Customer Loyalty in Jabodetabek Commuter Line, with a significance level of 0,000. This means that the hypothesis H0 is rejected and Ha is accepted so that it can be concluded that service quality and customer satisfaction together have a positive and significant effect on customer loyalty in Jabodetabek Commuter Line.

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