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Rabi'atul Adawiyah
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Tugasan 9: Pisah Ragaman
Rabi'atul Adawiyah (A167694) Asas-asas Sains Data dalam Pengangkutan
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Tugasan 9: Pisah Ragaman
1.
LMCP1352 ASAS-ASAS SAINS DATA
DALAM PENGANGKUTAN MODUL 9: TUGASAN PISAH RAGAMAN RABI’ATUL ADAWIYAH BINTI SUHARDI A167694 PROF. DATO’ RIZA ATIQ BIN O.K. RAHMAT
2.
TUGASAN
3.
SOALAN 1 a) MODEL
FUNGSI LOGISTIK b) PLOT GRAF Kadar parkir satu jam Kebarangkalian beralih kepada pengangkutan awam 0.50 0.04 1.00 0.06 1.50 0.10 2.00 0.17 2.50 0.28 3.00 0.39 3.50 0.50 4.00 0.65 4.50 0.75 5.00 0.80 5.50 0.83 6.00 0.86 Model fungsi logistik P = 1 1 + eα Kadar Parkir +C b) 0.00 0.10 0.20 0.30 0.40 0.50 0.60 0.70 0.80 0.90 1.00 1 2 3 4 5 6 7 8 9 10 11 12 Kebarangkalian beralih kepada pengangkutan awam Kadar parkir (1 jam) a)
4.
SOALAN 1 C) TUKAR
DATA DALAM BENTUK (LOG E) 𝑃 = 1 1 + 𝑒𝛼 𝐾𝑎𝑑𝑎𝑟 𝑃𝑎𝑟𝑘𝑖𝑟 +𝐶 1 − 𝑃 𝑃 = 𝑒𝛼 𝐾𝑎𝑑𝑎𝑟 𝑃𝑎𝑟𝑘𝑖𝑟 +𝐶 ln 1 − 𝑃 𝑃 = 𝑒𝛼 𝐾𝑎𝑑𝑎𝑟 𝑃𝑎𝑟𝑘𝑖𝑟 +𝐶 Kadar parkir satu jam 𝟏 − 𝑷 𝑷 𝐥𝐧 𝟏 − 𝑷 𝑷 0.50 24 3.17805383 1.00 15.66666667 2.751535313 1.50 9 2.197224577 2.00 4.882352941 1.585627264 2.50 2.571428571 0.944461609 3.00 1.564102564 0.447312218 3.50 1 0 4.00 0.538461538 -0.61903921 4.50 0.333333333 -1.09861229 5.00 0.25 -1.38629436 5.50 0.204819277 -1.58562726 6.00 0.162790698 -1.81528997
5.
e) y = -0.9623x
+ 3.5107 R² = 0.9834 -3 -2 -1 0 1 2 3 4 0.00 2.00 4.00 6.00 8.00 10.00 12.00 14.00 ln [(1-P)/P] Kadar parkir (1 jam) SOALAN 1 D) PLOT GRAF & PERSAMAAN REGRESI E) PARAMETER FUNGSI LOGISTIK Persamaan Regresi : 𝑦 = −0.9623𝑥 + 3.5107 ln 1−𝑃 𝑃 = −0.9623𝑥 + 3.5107 𝛼 = −0.9623, 𝐶 = 3.5107 d)
6.
SOALAN 1 F) KEBARANGKALIAN
PENGGUNA KERETA BERALIH KEPADA PENGANGKUTAN BAHARU (P) 𝛼 = −0.9623, 𝐶 = 3.5107 𝑃 = 1 1 + 𝑒𝛼 𝐾𝑎𝑑𝑎𝑟 𝑃𝑎𝑟𝑘𝑖𝑟 +𝐶 𝑃 = 1 1 + 𝑒−0.9623 𝐾𝑎𝑑𝑎𝑟 𝑃𝑎𝑟𝑘𝑖𝑟 +3.5107 Kadar parkir satu jam 𝑷 0.50 0.04611 1.00 0.07253 1.50 0.11232 2.00 0.16993 2.50 0.24881 3.00 0.34892 3.50 0.46440 4.00 0.58383 4.50 0.69416 5.00 0.78597 5.50 0.85594 6.00 0.90577
7.
SOALAN 2 a) Fungsi
logistik b) Bentuk ln (log e) Model fungsi logistik P = 1 1 + eα Tambang bas + β Masa +C a) 1 − 𝑃 𝑃 = 𝑒𝛼 𝐾𝑎𝑑𝑎𝑟 𝑃𝑎𝑟𝑘𝑖𝑟 +𝛽 𝑀𝑎𝑠𝑎 +𝐶 ln 1 − 𝑃 𝑃 = 𝑒𝛼 𝐾𝑎𝑑𝑎𝑟 𝑃𝑎𝑟𝑘𝑖𝑟 +𝛽(𝑀𝑎𝑠𝑎)+𝐶 b) Tambang bas Jimat masa Kebarangkalian Pengguna kereta beralih kepada bas 1 − 𝑃 𝑃 ln 1 − 𝑃 𝑃 2.90 0 0.1 9.0000 2.1972 2.90 5 0.14 6.1429 1.8153 2.90 10 0.19 4.2632 1.4500 2.90 15 0.25 3.0000 1.0986 2.90 20 0.32 2.1250 0.7538 2.90 25 0.4 1.5000 0.4055 2.90 30 0.48 1.0833 0.0800 2.00 20 0.35 1.8571 0.6190 2.25 20 0.34 1.9412 0.6633 2.50 20 0.33 2.0303 0.7082 2.75 20 0.32 2.1250 0.7538 3.00 20 0.31 2.2258 0.8001 3.25 20 0.31 2.2258 0.8001 3.50 20 0.3 2.3333 0.8473 3.75 20 0.29 2.4483 0.8954
8.
SUMMARY OUTPUT Regression Statistics Multiple
R 0.999640683 R Square 0.999281494 Adjusted R Square 0.999161743 Standard Error 0.01548873 Observations 15 ANOVA df SS MS F Significance F Regression 2 4.00378234 2.00189117 8344.664286 1.37588E-19 Residual 12 0.002878809 0.000239901 Total 14 4.006661149 Coefficients Standard Error t Stat P-value Lower 95% Upper 95% Lower 95.0% Upper 95.0% Intercept 1.733471846 0.029611002 58.54147895 4.07735E-16 1.668955015 1.797988677 1.668955 1.797989 Tambang bas 0.151179739 0.009556105 15.82022637 2.11108E-09 0.130358776 0.172000703 0.130359 0.172001 Jimat masa -0.070417106 0.000549934 -128.046448 3.45318E-20 -0.071615309 -0.069218902 -0.07162 -0.069219 SOALAN 2 c) Analisis regresi
9.
SOALAN 2 a) Model
logistik dengan parameter berdasarkan analisis regresi Persamaan Regresi : y = 0.1512x − 0.0704w + 1.7335 y = 0.1512(Tambang Bas) − 0.0704(Masa) + 1.7335 ln 1 − P P = 0.1512(Tambang Bas) − 0.0704(Masa) + 1.7335 α = 0.1512, β = −0.0704, C = 3.5107 Model logistik: P = 1 1 + eα Tambang Bas +β(Jimat Masa) +C P = 1 1 + e0.1512(Tambang Bas)−0.0704(Jimat Masa) +1.7335
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