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Download Quiz 2 – (5%) – Using Matlab With a vast number of genes
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Quiz 2 – (5%) – Using Matlab With a vast number of genes information produced by microarray, informative gene selection is needed to both decrease clinical costs and mitigates the possibility of overfitting due to high intervariable correlations. Patient 1 2 3 4 5 Status 1 1 0 1 0 GeneTypes A,C,E,F B,D,E,G D,G,I,K C,F,E,K B,C,D,G 1. Assign the given 5 patients with their survival status (0 = survive, 1 = dead) and gene types into 2 or 3 arrays. (Use cell array for gene types). (1.5 marks) 2. Select the patients with Status =1 and display them. (1 mark) 3. Find the highly related genes which might shorter the survival time for the patients: Compare thegenes among the selected patients and display the common gene (1.5 marks) Get and display the genes that appeared most among the selected patients. (1 mark) Note: 1st Q: Because the gene types are String, Cell Array is used to store strings. Normal array only can store numeric variables. 3rd Q: The selected patients are with the Status = 1, which are patient 1,2 & 4 (From question 2). Compare the genes among 1, 2, & 4, and display the same gene, for example: E. Then display the gene appeared most among the 3 patients.