Question 1 The income of farmers depends on various factors. To predict the income of the next year, a study was undertaken and data was gathered considering as many as possible factors that might influence the yearly income. Regression methods are used to create such a prediction function, that is, we want to predict the profit for the next year. The following were determined. X₁ = SIZE-farm size recorded x 1000 hectares X₂ = AGE - how long the farm has been in operation in years X₁ = RATIO - the ratio of land size to field size recorded as 0.5, 0.75, 0.8 and 0.9 X₁ = METHOD-rotational and non rotational method of planting P = INCOME - the income per year recorded in x R 1 000 000.00 The partial dataset is as follows INCOME Y 1.3 2.4 3.2 1.3 2.1 SIZE X₁ 5 8 2 1.2 1.5 AGE X₂ 20 100 80 30 11 RATIO X₂ 0.5 0.75 0.8 0.8 0.75 METHOD X₂ Rotational Rotational Pedal Non-rotational Rotational Non-rotational 1.1. The analyst did some exploratory analysis and below are some of the residual plots he constructed. Study the plots and answer the questions that follows.
Question 1 The income of farmers depends on various factors. To predict the income of the next year, a study was undertaken and data was gathered considering as many as possible factors that might influence the yearly income. Regression methods are used to create such a prediction function, that is, we want to predict the profit for the next year. The following were determined. X₁ = SIZE-farm size recorded x 1000 hectares X₂ = AGE - how long the farm has been in operation in years X₁ = RATIO - the ratio of land size to field size recorded as 0.5, 0.75, 0.8 and 0.9 X₁ = METHOD-rotational and non rotational method of planting P = INCOME - the income per year recorded in x R 1 000 000.00 The partial dataset is as follows INCOME Y 1.3 2.4 3.2 1.3 2.1 SIZE X₁ 5 8 2 1.2 1.5 AGE X₂ 20 100 80 30 11 RATIO X₂ 0.5 0.75 0.8 0.8 0.75 METHOD X₂ Rotational Rotational Pedal Non-rotational Rotational Non-rotational 1.1. The analyst did some exploratory analysis and below are some of the residual plots he constructed. Study the plots and answer the questions that follows.
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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