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This dataset is an R dataframe called "Risk Factors Associated with Low Infant Birth Weight," this data was collected at Baystate Medical Center, Springfield, Mass during 1986 Variable descriptions are attached (as defined verbatim by the creator of this set): Ekler Variable 1 2 3 4 5 6 7 8 9 10 Description Identification Code Low Birth Weight 11 Age of Mother Weight of Mother at Last Menstrual Period Race Smoking Status During Pregnancy History of Premature Labor History of Hypertension Presence of Uterine Irritability Number of Physician Visits During the First Trimester Birth Weight Codes/Values ID Number 1 = BWT<=2500g, 0 BWT>2500g Years Pounds 1 = White, 2 Black 3 = Other 0 No, 1 = Yes 0 None, 1 = One, 2 = Two, etc. 0 = No, 1 = Yes 0 No, 1 Yes 0 None, 1 = One 2 = Two, etc. Grams Name ID LOW AGE LWT RACE SMOKE PTL HT UI FTV BWT

This dataset is an R dataframe called "Risk Factors Associated with Low Infant Birth Weight," this data was collected at Baystate Medical Center, Springfield, Mass during 1986 Variable descriptions are attached (as defined verbatim by the creator of this set): Ekler Variable 1 2 3 4 5 6 7 8 9 10 Description Identification Code Low Birth Weight 11 Age of Mother Weight of Mother at Last Menstrual Period Race Smoking Status During Pregnancy History of Premature Labor History of Hypertension Presence of Uterine Irritability Number of Physician Visits During the First Trimester Birth Weight Codes/Values ID Number 1 = BWT<=2500g, 0 BWT>2500g Years Pounds 1 = White, 2 Black 3 = Other 0 No, 1 = Yes 0 None, 1 = One, 2 = Two, etc. 0 = No, 1 = Yes 0 No, 1 Yes 0 None, 1 = One 2 = Two, etc. Grams Name ID LOW AGE LWT RACE SMOKE PTL HT UI FTV BWT

Linear Algebra: A Modern Introduction
Linear Algebra: A Modern Introduction
4th Edition
ISBN:9781285463247
Author:David Poole
Publisher:David Poole
Chapter7: Distance And Approximation
Section7.3: Least Squares Approximation
Problem 31EQ
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Interpret the matrix plot. (Output variable is BWT) 100 250 0.0 0.8 0.0 0.8 036 ITTITI TTTTTT AGE 15 30 45 100 200 0.18 WT -0.17 -0.04 -0.17 RACE 701 0.0 0.6 OB 1.0 2.0 3.0 0.07 -0.04 -0.14 -0.34 SMOKE 0.01 0.19 PTL 0.0 0.6 0.0 1.5 3.0 -0.02 0.24 -0.15 0.02 -0.08 -0.02 HT 0.0 0.01 0.06 -0.03 0.23 0 2 4 6 -0.11 UI 0.22 0.6 0.14 0.05 -0.10 -0.20 -0.04 0.09 0.19 -0.06 FTV -0.19 -0.15 -0.07 -0.15 -0.28 0.06 BWT 1000 4000 15 35 1.0 2.5 0.0 2.5 0.0 0.8
Transcribed Image Text:Interpret the matrix plot. (Output variable is BWT) 100 250 0.0 0.8 0.0 0.8 036 ITTITI TTTTTT AGE 15 30 45 100 200 0.18 WT -0.17 -0.04 -0.17 RACE 701 0.0 0.6 OB 1.0 2.0 3.0 0.07 -0.04 -0.14 -0.34 SMOKE 0.01 0.19 PTL 0.0 0.6 0.0 1.5 3.0 -0.02 0.24 -0.15 0.02 -0.08 -0.02 HT 0.0 0.01 0.06 -0.03 0.23 0 2 4 6 -0.11 UI 0.22 0.6 0.14 0.05 -0.10 -0.20 -0.04 0.09 0.19 -0.06 FTV -0.19 -0.15 -0.07 -0.15 -0.28 0.06 BWT 1000 4000 15 35 1.0 2.5 0.0 2.5 0.0 0.8
THE QUESTIONS IN SECTION II ARE BASED ON THE FOLLOWING INFORMATION: This dataset is an R dataframe called "Risk Factors Associated with Low Infant Birth Weight," this data was collected at Baystate Medical Center, Springfield, Mass during 1986. Variable descriptions are attached (as defined verbatim by the creator of this set): Ekler Variable 1 2 3 4 5 6 7 8 9 10 11 Description Identification Code Low Birth Weight Age of Mother Weight of Mother at Last Menstrual Period Race Smoking Status During Pregnancy History of Premature Labor History of Hypertension Presence of Uterine Irritability Number of Physician Visits During the First Trimester Birth Weight Codes/Values ID Number 1 = BWT<=2500g, 0 = BWT>2500g Years Pounds 1 = White, 2 = Black 3 = Other 0 = No, 1 = Yes 0 0 0 None, 1 = One, 2 = Two, etc. No, 1 = Yes No, 1 = Yes 0 = None, 1 = One 2 = Two, etc. Grams Name ID LOW AGE LWT RACE SMOKE PTL HT UI FTV BWT
Transcribed Image Text:THE QUESTIONS IN SECTION II ARE BASED ON THE FOLLOWING INFORMATION: This dataset is an R dataframe called "Risk Factors Associated with Low Infant Birth Weight," this data was collected at Baystate Medical Center, Springfield, Mass during 1986. Variable descriptions are attached (as defined verbatim by the creator of this set): Ekler Variable 1 2 3 4 5 6 7 8 9 10 11 Description Identification Code Low Birth Weight Age of Mother Weight of Mother at Last Menstrual Period Race Smoking Status During Pregnancy History of Premature Labor History of Hypertension Presence of Uterine Irritability Number of Physician Visits During the First Trimester Birth Weight Codes/Values ID Number 1 = BWT<=2500g, 0 = BWT>2500g Years Pounds 1 = White, 2 = Black 3 = Other 0 = No, 1 = Yes 0 0 0 None, 1 = One, 2 = Two, etc. No, 1 = Yes No, 1 = Yes 0 = None, 1 = One 2 = Two, etc. Grams Name ID LOW AGE LWT RACE SMOKE PTL HT UI FTV BWT
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