search for: 73rd

I have a data table with 712 cases (rows) describing young people’s activities for 72 months each case has been classified into one of 5 clusters. The first 72 columns are monthly activities coded 1 to 6 (e.g. school =1) and the 73rd column is the cluster number of the case. I wish to summarise the distribution of monthly activities by cluster e.g for cluster 1: 6 months school; 24 further education; etc. After looking through available resources my solution is quite complex involving – amongst other things a series of loops....

Dear R users, I am running the following code below, the gem751be.rpkm is a dataframe with dim of 751 samples by 35164 variables, 73 phenotypic variables in the furst to 73rd column and 35091 genomic variables or genes in the 74th to 35164th columns. What I need to do is to calculate the residuals for each gene using the simple linear regression model of genelist[i] ~ purity2; The following code is running, it takes long time, but I have an expensive ThinkStation win...