search for: p2_b

...this question "Please tell me the first three sympthoms caused by Respiratory tract infection you've caught this year", then the people answer three sympthoms, the first mention (Top of mind) is saved in a variable called "P2_A", the second mention in a variable called "P2_B" and the third mention in "P2_C". Each answer is coded with numbers like this: 1 = Flu 2 = Cough 3 = Asthma .... 13 = Fever I've already done a K-cluster analysis and segmented my data base. So my first task is to develop tables to develop tables of frequencies crossing Clus...

...t;, "Rape", "Introduced")])) P1_A = t(P1_X) %*% P1_X P1_b = t(P1_X) %*% P1[,"Murder"] # Partition 2 - calculated on host 2 P2_X = as.matrix(cbind(1, P2[,c("UrbanPop", "Assault", "Rape", "Introduced")])) P2_A = t(P2_X) %*% P2_X P2_b = t(P2_X) %*% P2[,"Murder"] # repeat for partitions 3:N # ... # collect data from the all the partitions, this is the key for # the parallelism technique, I don't know how to do this step if # I was somehow doing QR decomposition. A = P1_A + P2_A # ... + P3_A ... + PN_A b = P...