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Specific Solutions to General Problems in Data Science and Ecology
Specific Solutions to General Problems in Data Science and Ecology
Specific Solutions to General Problems in Data Science and Ecology

상세정보

자료유형  
 학위논문 서양
최종처리일시  
20250211150927
ISBN  
9798382262437
DDC  
574
저자명  
Saberski, Erik.
서명/저자  
Specific Solutions to General Problems in Data Science and Ecology
발행사항  
[Sl] : University of California, San Diego, 2024
발행사항  
Ann Arbor : ProQuest Dissertations & Theses, 2024
형태사항  
95 p
주기사항  
Source: Dissertations Abstracts International, Volume: 85-10, Section: B.
주기사항  
Advisor: Sugihara, George.
학위논문주기  
Thesis (Ph.D.)--University of California, San Diego, 2024.
초록/해제  
요약Nature is hard to predict. Rules and relationships you discover about a system today may be totally different tomorrow. These relationships do not change randomly over time; rather, they change as the state of the system evolves. In a deterministic view of the world, similar states lead to similar outcomes. In this thesis, I leverage this principle to better understand and ultimately predict, complex systems.In chapter 1, I work closely with the National Parks Service to understand variables that influence flow target values through the Everglades National Park. The Tamiami Trail Flow Formula, a linear (not state-dependent) was previously developed to predict such values. In this chapter I show that with only minor adjustments to their linear approach, a non-linear (state-dependent) predictor can be made with significant prediction improvement.Chapter 2 focuses on the role of scale in understand ecosystem relationships. Using both models and real world examples I show that not one scale can capture all of the dynamics of a real world system: for example, some relationships are better resolved at an annual timescale while others are best resolved monthly.In chapter 3 I develop a new method for classifying systems based on the delay in their dynamic relationships. This method is applied to study the behavioral states of the nematode Caenorhabditis elegans. By analyzing the causal relationships between eigenvectors that represent the worm's posture ("eigenworms"), I am able to classify the behavioral state of the worm (foraging or reacting to a harmful stimulus). Additionally, I demonstrate that this technique can identify genetic mutations in these worms solely through analysis of their bodily movements.This work demonstrates the that powerful models and non-linear relationships can be extrapolated directly from data without the need for assumptions or fixed equations.
일반주제명  
Biological oceanography
일반주제명  
Ecology
일반주제명  
Natural resource management
키워드  
Causal relationships
키워드  
Data science
키워드  
Dynamic modeling
키워드  
Empirical dynamic modeling
키워드  
Prediction
기타저자  
University of California, San Diego Scripps Institution of Oceanography
기본자료저록  
Dissertations Abstracts International. 85-10B.
전자적 위치 및 접속  
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■006m          o    d                
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■020    ▼a9798382262437
■035    ▼a(MiAaPQ)AAI30988993
■040    ▼aMiAaPQ▼cMiAaPQ
■0820  ▼a574
■1001  ▼aSaberski,  Erik.
■24510▼aSpecific  Solutions  to  General  Problems  in  Data  Science  and  Ecology
■260    ▼a[Sl]▼bUniversity  of  California,  San  Diego▼c2024
■260  1▼aAnn  Arbor▼bProQuest  Dissertations  &  Theses▼c2024
■300    ▼a95  p
■500    ▼aSource:  Dissertations  Abstracts  International,  Volume:  85-10,  Section:  B.
■500    ▼aAdvisor:  Sugihara,  George.
■5021  ▼aThesis  (Ph.D.)--University  of  California,  San  Diego,  2024.
■520    ▼aNature  is  hard  to  predict.  Rules  and  relationships  you  discover  about  a  system  today  may  be  totally  different  tomorrow.  These  relationships  do  not  change  randomly  over  time;  rather,  they  change  as  the  state  of  the  system  evolves.  In  a  deterministic  view  of  the  world,  similar  states  lead  to  similar  outcomes.  In  this  thesis,  I  leverage  this  principle  to  better  understand  and  ultimately  predict,  complex  systems.In  chapter  1,  I  work  closely  with  the  National  Parks  Service  to  understand  variables  that  influence  flow  target  values  through  the  Everglades  National  Park.  The  Tamiami  Trail  Flow  Formula,  a  linear  (not  state-dependent)  was  previously  developed  to  predict  such  values.  In  this  chapter  I  show  that  with  only  minor  adjustments  to  their  linear  approach,  a  non-linear  (state-dependent)  predictor  can  be  made  with  significant  prediction  improvement.Chapter  2  focuses  on  the  role  of  scale  in  understand  ecosystem  relationships.  Using  both  models  and  real  world  examples  I  show  that  not  one  scale  can  capture  all  of  the  dynamics  of  a  real  world  system:  for  example,  some  relationships  are  better  resolved  at  an  annual  timescale  while  others  are  best  resolved  monthly.In  chapter  3  I  develop  a  new  method  for  classifying  systems  based  on  the  delay  in  their  dynamic  relationships.  This  method  is  applied  to  study  the  behavioral  states  of  the  nematode  Caenorhabditis  elegans.  By  analyzing  the  causal  relationships  between  eigenvectors  that  represent  the  worm's  posture  ("eigenworms"),  I  am  able  to  classify  the  behavioral  state  of  the  worm  (foraging  or  reacting  to  a  harmful  stimulus).  Additionally,  I  demonstrate  that  this  technique  can  identify  genetic  mutations  in  these  worms  solely  through  analysis  of  their  bodily  movements.This  work  demonstrates  the  that  powerful  models  and  non-linear  relationships  can  be  extrapolated  directly  from  data  without  the  need  for  assumptions  or  fixed  equations.
■590    ▼aSchool  code:  0033.
■650  4▼aBiological  oceanography
■650  4▼aEcology
■650  4▼aNatural  resource  management
■653    ▼aCausal  relationships
■653    ▼aData  science
■653    ▼aDynamic  modeling
■653    ▼aEmpirical  dynamic  modeling
■653    ▼aPrediction
■690    ▼a0416
■690    ▼a0329
■690    ▼a0528
■71020▼aUniversity  of  California,  San  Diego▼bScripps  Institution  of  Oceanography.
■7730  ▼tDissertations  Abstracts  International▼g85-10B.
■790    ▼a0033
■791    ▼aPh.D.
■792    ▼a2024
■793    ▼aEnglish
■85640▼uhttp://www.riss.kr/pdu/ddodLink.do?id=T17160178▼nKERIS▼z이  자료의  원문은  한국교육학술정보원에서  제공합니다.

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