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Hi, I was hoping someone could help figure out how to write code for R to do the below. I have data that looks like below. Variables, sid and pid are strings, slope is numeric. I need R to get me the mean of slopes for all pid's nested within each sid if there are more than one pid's nested within sid. If there is only pid for a sid, like for 2.1 below, I want R to write a 0. In the

Hi, Could someone help with coding this in R? I need to select one row per patient i in clinic j. The data is organized similar to that shown below. Two columns - patient i in column j identify each unique patient. There are two columns on outcome. Some patients have multiple rows with each row representing one visit, coded for in the column, visit. Some patients have just one row indicating

Hello Everyone I just want to generate an executable using clang++ or clang which uses only general purpose registers from x86. The generated code should not use mmx or any other special purpose register. Thanks a lot -- Regards V Naveen -------------- next part -------------- An HTML attachment was scrubbed... URL:

...Question (jim holtman) > 102. More basic equivalent of TukeyHSD (Janet Rosenbaum) > 103. Using format to add leading zeroes (Jonathan Greenberg) > 104. Ever see Process R exited abnormally with code 4? (Paul Johnson) > 105. Question on summing rows within nested variable > (Vedula, Satyanarayana) > 106. Re: Using format to add leading zeroes (David Winsemius) > 107. Re: Question on summing rows within nested variable > (David Winsemius) > 108. Re: Question on summing rows within nested variable (jim holtman) > 109. Re: Using format to add leading zero...