Programming Exercise 7: K-means Clustering and Principal Component Analysis Machine Learning Introduction In this exercise‚ you will implement the K-means clustering algorithm and apply it to compress an image. In the second part‚ you will use principal component analysis to find a low-dimensional representation of face images. Before starting on the programming exercise‚ we strongly recommend watching the video lectures and completing the review questions for the associated topics. To get started
Premium Machine learning Principal component analysis Cluster analysis
loadmat("baseball_data.mat") # X represents the total number of wins per team X = D["X"].ravel() # Y represents the total payroll per team Y = D["Y"].ravel() # The number of rows of matrix A m=X.size #by sorting the value of X‚ I realized that the minimum value in X is 672 and the maximum is 956‚ so I made the plotting range for x-axis from 650 to 1000 # n = 0 A=np.ones((m‚1)) Q‚ R = la.qr(A) y=Q.transpose().dot(Y) x1=la.solve(R[0:1]‚y[0:1]) x_index= np.linspace(650‚ 1000
Premium Number Singular value decomposition
rising auto insurance claims on the east coast Advanced Multivariate Data analysis Project Proposal Submitted To Prof. Malay Bhattacharyya BY – GROUP 9 Paarth Gupta (1211281) Samidh Pratap (1211296) Shrey Sahay (1211294) Indian Institute Of Management Bangalore Date: 06.12.2013 Introduction The company’s profits have been decreasing although the revenue has increased. This is because the number of claims has been increasing. The company wants to figure out what factors affect
Premium Principal component analysis Factor analysis Singular value decomposition
Co-occurrence Matrix (GLCM) a statistical method for examining texture features that consider the spatial relationship of pixels‚ also known as Gray Level Spatial Dependence. In this a GLCM matrix is created by calculating how often a pixel with the intensity value i
Premium Regression analysis Image processing Statistics
NEW 7 QC TOOLS 1. Affinity Diagrams For Pinpointing the Problem in a Chaotic Situation and Generating Solution Strategies ò Gathers large amounts of intertwined verbal data (ideas‚ opinions‚ issues) ò Organizes the data into groups based on natural relationship ò Makes it feasible for further analysis and to find a solution to the problem. Advantages of Affinity Diagrams ò Facilitates breakthrough thinking and stimulate fresh ideas ò Permits the problem
Premium Diagram Dimension Ranking
To appear in: Moutinho and Hutcheson: Dictionary of Quantitative Methods in Management. Sage Publications Principal Components Analysis Introduction Principal Components Analysis (PCA) attempts to analyse the structure in a data set in order to define uncorrelated components that capture the variation in the data. The identification of components is often desirable as it is usually easier to consider a relatively small number of unrelated components which have been derived from the data than
Premium Principal component analysis Factor analysis Data analysis
Automatic Emotion Recognition from Speech using Reduced Feature Set & Different Classifiers U09CO202 U09CO207 U09CO206 U09CO240 Outline ● Project Preliminary : A quick recap ● Running the SVM classifier - Weka ● Improvising the baseline model ○ Principal Component Analysis ○ Feature Subset Selection ● Comparison of different models ● Building a local database ● Next Steps... Outline ● Project Preliminary : A quick recap ● Running the SVM classifier - Weka ● Improvising the baseline
Premium Machine learning Singular value decomposition Principal component analysis
Speed of Decomposition and Its Factors Purpose The term decomposition is the process of breaking down dead organisms to reuse them. Decomposition allows nutrients in organisms to become free after they die or have become old and they are ready to be used by living plants and animals for their growth. Without decomposition useful nutrients would remain locked inside of a dead organism and it would be very difficult for new life to grow. Most of the nutrients that are essential for the plants
Premium Fruit Vegetable Death
my parents’ marriage contributed to my lowered grades. My natural love for my parents couldn’t accept their relationship falling apart‚ and this led to a distraction from studies and an inability to concentrate on things. I viewed “parents” as a singular entity‚ if they separated‚ that single entity would have been shattered. I understand however‚ that I should have been motivated nonetheless. I recall the day vividly. I returned home at around 4:30 PM from a club meeting at school‚ and I overheard
Premium High school Education College
Devon Backstrom February 5st 2013 PSU Chemistry 222 – Lab 4 Decomposition of Hydrogen Peroxide Abstract: This lab was designed to observe the decomposition of hydrogen peroxide into it oxygen and water. The equation for this reaction is H202 H2O + +1/2O2 thus by measuring volume and pressure of O2 generated the amount of O2 generated can be calculated which in turn can be utilized to determine the concentration of water already in the H2O2 solution. The results determined that 3.02% of the
Premium Oxygen Pressure