User Portlet
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| Anton, thanks for the additional code and output, again very helpful in answering my original question. Also, I tried your suggestion on the delete cases but that didn't work. I'm attaching the output. The code is by no means elegant but this is a... |
| Hi, I'm trying to filter missing values from an excel spreadsheet that I've imported. Initially the missing value was a period (.) and then I changed it to a "na" in the spreadsheet. I've tried to DeleteCases with the command DeleteCases[data,"na"]... |
| If you don't leave off the headings, what command(s) is necessary. I have been trying to import an excel file with headings and can't figure out how to get excel interpret the first line as a header so that, for example, I can issue a command to find... |
| Dear David, thanks very much for the help. I know there are many books on mathematica programming. Do you know of nay books, papers and related that provdes the nuts and bolts of regression and related analyses. Most of my difficulty is associated,... |
| Dear Marco, thanks for your reply and I now have a related problem. Below is code that successfully reads 22 columns of data from data matrix trydta. The command Mean correctly calculates the mean for data in column 7, which has both missing and... |