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8/8/2019 AMDA Project Report_Roll 406
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9/19/2010
2010
Submitted to:
Mrs. Shailaja Rego
Submitted by:
Subhojit Chatterjee
Roll No.: 406
Division E MBA - Core
Advanced Methods of Data
Analysis Project Report:
Study on what factors peoplelook for when they take a home
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Contents
Introduction 3
Methodology ..3
Cluster Analysis .5
Factor Analysis .11
Conclusion.....12
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Introduction
Why I Took This Topic For Project?
In India buying a home is one of the biggest aspirations of any household irrespective of the
class to which that household belongs. A lot of thought process and research work goes into the
process and research work goes into the process of selecting a perfect house. Also such
considerations are take place while taking a house for lease or rent.
A house is such a basic need that people do not change it that easily even if they are
unsatisfied with it. Also a person, if asked wont reveal that easily that he/she is unsatisfied with
his/her current house. This kind of natural behavior forces the person to give a biased answer
when asked about the overall satisfaction level from his/her house. My research aims at finding
the relation of some of the factors which affect the overall satisfaction level of a home owner.
For convenience I have targeted NMIMS students specially first year to get genuine response. I
also wanted to verify our analysis as we are using most crucial tool SPSS.
Methodology
As a part of Advanced Methods of Data Analysis project, I chose to study Real Estate becauseof the reason that it is one of the hottest sectors these days. With limited amount of resources
available to a country, it is of utmost importance to manage it properly. Its very essential for a
researcher to understand the satisfaction level of customers while having a home so that they
can more focus to cater their preferences. Being in Mumbai, the costliest city in India & among
the top 100 costliest cities all around the world, the study of factors on which a person chooses
his/her household becomes all the more important.
The objective of the study was to study various aspects as to what influences the behavior of an
individual having a house. These include locality, size, price, availability of electricity as well as
water etc. The detailed questionnaire is as follows:
Q1. What is your total household income level
less than 3 laces between 3 to 6 lacs 6 to 9 lacs
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more than 9 lacs
Q2. Are you satisfied with location of your house? With Highly satisfied as 1 & Not satisfied as 5 (scale 1 to 5)
Q3. Are you satisfied with total square feet area of your house? Highly satisfied to not satisfied (scale 1 to 5)
Q4. Family member to bedroom ratio? Less than 1 greater than or equal to1 but less than 2 greater than or equal to 2 but less than 3 greater than or equal to 3
Q5. How old is your house less than or equal to 3
greater than 3 but less than or equal to 6 greater than 6 but less than or equal to 9 greater than 9
Q6. How much maintenance charges you can afford annually for your house? 0 to 3000 2.3000 to 6000 3.6000 to 9000 4. more than 9000
Q7. Are you satisfied with your neighborhood? 1 for highly satisfied to 5 for Not satisfied(scale 1 to 5)
Q8.Are you satisfied with electricity and water supply? 1 for highly satisfied to 5 for Not satisfied(scale 1 to 5)
Q9.What is the overall satisfaction level with your current house? 1 for highly satisfied to 5 for Not satisfied(scale 1 to 5)
I searched for the questions through internet which becomes the secondary data, discussed it ingroup through our brainstorming sessions & then finalized the above questionnaire.Originally we had a set of 16 questions but then we had to make the questionnaire a bit concise
so that it catches the attention of the respondent & he does not fill the questionnaire for the sakeof it. Through discussion I selected only above mentioned 9 questions which I thought was themost important while having a house.After the questionnaire was designed, I gathered the responses of 97 respondents whichconstitute my primary data. The responses were gathered through online as well as personalsurveys. After the responses were gathered, I analyzed the data through SPSS techniqueswhich included Cluster analysis and Factor analysis.
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Sampling Technique
My motto from this project was to analyze our data by using SPSS tool and for the verification ofanalysis done by me after using SPSS, I asked 5 respondents and asked them to comment on
my analysis and got good response which is mentioned in Final analysis part of this project . I
chose Convenience Sampling as sampling Technique because it is easiest and cheapest to
conduct so that I can keep a genuine and more accurate data. My respondents constitute an
informal pool of friends.
Nature of Data
The data collected is through Questionnaire hence it is primary data.
The date file is attached, along with.
Study on whatpeople look for when
Cluster Analysis
Why it is a 3 cluster analysis?
From the above table we see that the coefficient in agglomeration schedule increases by 5.241
in case of 3 cluster and 3.334 in case of 3 clusters.
Agglomeration Schedule
Stage
Cluster Combined
Coefficients
Stage Cluster First Appears
Next StageCluster 1 Cluster 2 Cluster 1 Cluster 2
1 81 97 1.000 0 0 9
2 86 88 1.000 0 0 18
3 57 78 1.000 0 0 16
4 29 64 1.000 0 0 20
5 17 59 1.000 0 0 39
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6 6 56 1.000 0 0 21
7 26 44 1.000 0 0 16
8 30 38 1.000 0 0 10
9 81 90 1.500 1 0 22
10 8 30 1.500 0 8 38
11 33 77 2.000 0 0 37
12 24 76 2.000 0 0 33
13 62 73 2.000 0 0 71
14 16 71 2.000 0 0 25
15 58 63 2.000 0 0 35
16 26 57 2.000 7 3 1917 10 45 2.000 0 0 30
18 86 93 2.500 2 0 30
19 26 65 2.500 16 0 27
20 9 29 2.500 0 4 42
21 5 6 2.500 0 6 37
22 35 81 3.000 0 9 38
23 18 67 3.000 0 0 40
24 22 50 3.000 0 0 60
25 16 46 3.000 14 0 65
26 3 19 3.000 0 0 52
27 26 83 3.600 19 0 54
28 31 94 4.000 0 0 55
29 68 89 4.000 0 0 59
30 10 86 4.000 17 18 41
31 11 85 4.000 0 0 76
32 55 75 4.000 0 0 54
33 24 70 4.000 12 0 43
34 12 69 4.000 0 0 67
35 25 58 4.000 0 15 45
36 4 43 4.000 0 0 44
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37 5 33 4.333 21 11 53
38 8 35 4.417 10 22 56
39 17 61 4.500 5 0 76
40 7 18 4.500 0 23 55
41 10 54 4.600 30 0 45
42 9 84 4.667 20 0 46
43 24 53 5.000 33 0 60
44 4 15 5.000 36 0 62
45 10 25 5.389 41 35 61
46 9 47 5.500 42 0 77
47 34 95 6.000 0 0 6348 13 91 6.000 0 0 68
49 72 79 6.000 0 0 71
50 23 37 6.000 0 0 53
51 1 28 6.000 0 0 64
52 3 80 6.500 26 0 73
53 5 23 6.600 37 50 75
54 26 55 6.667 27 32 61
55 7 31 6.667 40 28 74
56 8 14 6.857 38 0 69
57 48 87 7.000 0 0 81
58 52 74 7.000 0 0 62
59 21 68 7.000 0 29 66
60 22 24 7.000 24 43 75
61 10 26 7.472 45 54 69
62 4 52 7.833 44 58 77
63 34 60 8.000 47 0 70
64 1 36 8.000 51 0 67
65 16 40 8.333 25 0 79
66 21 27 8.333 59 0 73
67 1 12 8.333 64 34 82
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68 2 13 9.000 0 48 78
69 8 10 9.412 56 61 80
70 34 42 9.667 63 0 72
71 62 72 10.000 13 49 78
72 34 66 10.250 70 0 74
73 3 21 10.250 52 66 83
74 7 34 10.560 55 72 86
75 5 22 11.476 53 60 79
76 11 17 11.667 31 39 85
77 4 9 11.960 62 46 80
78 2 62 12.833 68 71 8379 5 16 13.250 75 65 84
80 4 8 13.324 77 69 84
81 41 48 13.500 0 57 88
82 1 32 14.600 67 0 88
83 2 3 15.347 78 73 87
84 4 5 15.679 80 79 86
85 11 96 16.000 76 0 90
86 4 7 17.742 84 74 87
87 2 4 18.661 83 86 89
88 1 41 21.611 82 81 89
89 1 2 24.423 88 87 91
90 11 20 31.667 85 0 92
91 1 39 33.435 89 0 92
92 1 11 45.791 91 90 0
When case cluster 90 and 91 gets combined the % change = (33.435-31.667)/31.667 * 100 =
5.58 %
When case cluster 90 and 91 gets combined the % change = (31.667-24.423)/24.423 * 100 =
29.67 %
Because of the larger change in the agglomeration schedule I have taken 3 cluster solution as
the optimum solution.
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We now run the K means analysis r for 3 cluster analysis and we got 33, 12 and 48 cases in
cluster 1, 2 and 3 respectively
Number of Cases in each
Cluster
Cluster 1 33.000
2 12.000
3 48.000
Valid 93.000
Missing 4.000
From the ANOVA table:
ANOVA
Cluster Error
F Sig.Mean Square df Mean Square df
Are you satisfied with the
location of your house?27.810 2 .585 90 47.549 .000
Are you satisfied with area of
your house? 28.735 2 .514 90 55.942 .000
Are you satisfied with your
neighbourhood?40.303 2 .689 90 58.466 .000
Are you satisfied with electricity
and water supply?10.566 2 .865 90 12.213 .000
Overall satisfaction level with
your current house?26.034 2 .457 90 56.986 .000
V1 16.156 2 .913 90 17.698 .000
V2 1.212 2 .614 90 1.974 .145
V3 .834 2 1.463 90 .570 .567
V4 13.004 2 1.199 90 10.842 .000
The F tests should be used only for descriptive purposes because the clusters have been chosen to maximize the differences
among cases in different clusters. The observed significance levels are not corrected for this and thus cannot be interpreted
as tests of the hypothesis that the cluster means are equal.
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From the ANOVA table we find that all the factors are significant except for V3 which is the
dummy variable for How old is your house?. Thus we infer that people do not take into
consideration of the age of the house in Mumbai while making a purchasing decision.
Now we find mean
Process:- Analyze -> Compare Means ->Means
Preference of attributes correspond to their satisfaction in given cluster both MAXIMUM
Preference to satisfaction (Red colored) MINIMUM Preference to satisfaction (Blue colored)
We can see the figures which are red are preferred maximum and those are blue are minimumpreferred to satisfaction in a particular cluster so we find that :-
Cluster 1:- These respondents most prefer their satisfaction as Area of the house and least
prefer to Electricity and water supply
In the same way in Cluster 2:- Maximum Electricity and water supply and Min Neighborhood
Report
Cluster Number of Case
Are yousatisfied with
the location of
your house?
Are yousatisfied with
area of your
house?
Are yousatisfied with
your
neighborhood?
Are yousatisfied with
electricity and
water supply?
Overallsatisfaction
level with your
current house?
1 Mean 4.47 4.55 4.37 4.35 4.51
N 49 49 49 49 49
Std. Deviation .616 .542 .636 .631 .505
2 Mean 3.37 3.51 2.71 3.93 3.51
N 41 41 41 41 41Std. Deviation .799 .779 .981 .932 .675
3 Mean 1.57 1.57 1.71 2.00 1.57
N 7 7 7 7 7
Std. Deviation .787 .787 1.113 1.528 .787
Total Mean 3.79 3.90 3.47 4.00 3.88
N 97 97 97 97 97
Std. Deviation 1.080 1.056 1.251 1.031 1.003
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Cluster 3:- Maximum Electricity and water supply and similar least preference to 2 attribute
Location and area of the house
KMO and Bartlett's Test of Sphericity. The Kaiser-Meyer-Olkin measure of sampling adequacy
tests whether the partial correlations among variables are small. Bartlett's test of sphericity tests
whether the correlation matrix is an identity matrix, which would indicate that the factor model is
inappropriate.
Factor Analysis
To find which are main attributes which lead to the satisfaction level of the customers buying ahouse?
For this we have done the factor analysis.Steps followed are as follows: Analyze -> Data Reduction -> Factor -> go to descriptive andclick coefficient, significance level and KMO and Barletts test and univariate descriptiveGo to extraction and click correlation matrix and choose Eigen value> and maximum iterationfor convergence = 999
Rotation: Varimax and rotated solution
Options -> Exclude case list wise and suppress small coefficient to 0.1 in coefficient displayThen we find all values in correlation matrix are less than 0.05 so all are significant.If KMO is less than 0.5 then the data is inadequate for factor analysis. We got KMO value of0.770 which means that the data is adequate for factor analysis.
KMO and Bartlett's Test
Kaiser-Meyer-Olkin Measure of Sampling Adequacy. .770
Bartlett's Test of Sphericity Approx. Chi-Square 158.260
df 28.000
Sig. .000
Rotated component matrix: There are two main components. In component 1 we had location ofthe house, area of the house, Neighborhood and Water+ Electricity supply, V1 (Householdincome level) and V4 (Maintenance charge affordability).
In component 2, we had V2 (family member to bedroom ratio) and V3 (how old is your house)
Rotated Component Matrixa
Component
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1 2
Are you satisfied with the
location of your house?
.809 -.082
Are you satisfied with area of
your house?.817 -.095
Are you satisfied with your
neighbourhood?.764 .006
Are you satisfied with
electricity and water supply?.646 -.073
V1 .631 .358
V2 -.085 .732
V3 .038 .635
V4 .405 -.323
Extraction Method: Principal Component Analysis.
Rotation Method: Varimax with Kaiser Normalization.
a. Rotation converged in 3 iterations.
Conclusion
We get only very few information through forming of clusters and factors, only what are the main
factors on which the choice of the house of a person depends on. We should extend our
analysis to discriminant analysis and multidimensional scaling.
We conclude that there are mainly 3 clusters into which the people can be segregated and also
there are two main factors on which the buying behavior depends. They are: 1) Features and
ambience of the house and 2) requirement-characteristics fit of the house.