Title Page
ABSTRACT
Contents
1. INTRODUCTION 12
1.1. Background 12
1.2. Research Objectives 16
1.3. Scope 17
1.4. Significance of the Research 18
1.5. Organization of the Thesis 18
2. LITERATURE REVIEW 20
2.1. Defining Gentrification 20
2.2. Defining Machine Learning and Feature Selection 22
3. RESEARCH METHODOLOGY 24
3.1. Selection of Eleven Districts 24
3.2. Research Design 41
3.3. Random Forest Regression Method 42
3.4. Feature Selection 43
4. DATA ANALYSIS / INTERPRETATIONS 46
4.1. Data Sources 46
4.2. Data Preparation 66
4.3. Train/Test Split 67
4.4. Model Evaluation 68
4.5. Interpretations 74
5. CONCLUSIONS 76
5.1. Summary 76
5.2. Future Studies 76
BIBLIOGRAPHY 78
초록 80
Table 1. POI Data Table 63
Table 2. Merged Table 66
Table 3. Table after OneHotEncoder 66
Figure 1. Life Cycle of A Gentrification 21
Figure 2. Location of Ataşehir in Istanbul 25
Figure 3. Ataşehir District 25
Figure 4. Location of Beyoğlu in Istanbul 27
Figure 5. Cihangir Neighborhood in Beyoğlu 28
Figure 6. Location of Bakırköy 29
Figure 7. Bakırköy District 29
Figure 8. Location of Başakşehir 30
Figure 9. Başakşehir District 30
Figure 10. Location of Beşiktaş 32
Figure 11. Beşiktaş District 33
Figure 12. Location of Kadıköy 34
Figure 13. Kadıköy District 34
Figure 14. Location of Kartal 35
Figure 15. Kartal district 35
Figure 16. Location of Küçükçekmece 36
Figure 17. Küçükçekmece District 36
Figure 18. Location of Sarıyer 37
Figure 19. Sarıyer District 38
Figure 20. Location of Ümraniye 39
Figure 21. Ümraniye District 39
Figure 22. Location of Üsküdar 40
Figure 23. Üsküdar District 41
Figure 24. Research Design Scheme 41
Figure 25. Random Forest Method 42
Figure 26. Random Forest Algorithm to Select Features 43
Figure 27. Map of Net Migration Rate in 2013 47
Figure 28. Map of Net Migration Rate in 2014 48
Figure 29. Map of Net Migration Rate in 2015 49
Figure 30. Map of Net Migration Rate in 2016 50
Figure 31. Map of Net Migration Rate in 2017 51
Figure 32. Map of Net Migration Rate in 2018 52
Figure 33. Map of Net Migration Rate in 2019 53
Figure 34. Map of Net Migration Rate in 2020 54
Figure 35. Map of Net Migration Rate in 2021 55
Figure 36. Change in Number of Education Level in Bakirkoy 56
Figure 37. Change in Number of Education Level in Beşiktaş 57
Figure 38. Change in Number of Education Level in Beyoğlu 57
Figure 39. Change in Number of Education Level in Kadıköy 58
Figure 40. Change in Number of Education Level in Kartal 58
Figure 41. Change in Numbers of Education Level in Sarıyer 59
Figure 42. Change in Numbers of Education Level in Üsküdar 59
Figure 43. Change in Number of Education Level in Küçükçekmece 60
Figure 44. Change in number of education level in Ümraniye 60
Figure 45. Change in number of education level in Ataşehir 61
Figure 46. Change in Number of Education Level in Başakşehir 62
Figure 47. Features for Bakırköy 68
Figure 48. Features for Beşiktaş 69
Figure 49. Features for Beyoğlu 69
Figure 50. Features for Kadıköy 70
Figure 51. Features for Kartal 70
Figure 52. Features for Sarıyer 71
Figure 53. Features for Üsküdar 71
Figure 54. Features for Küçükçekmece 72
Figure 55. Features for Umraniye 72
Figure 56. Features for Ataşehir 73
Figure 57. Features for Başakşehir 73
Figure 58. Top 50 Features in Total 74