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...ts> Mike -- Michael Pearmain Senior Analytics Research Specialist "I abhor averages. I like the individual case. A man may have six meals one day and none the next, making an average of three meals per day, but that is not a good way to live. ~Louis D. Brandeis" Google UK Ltd Belgrave House 76 Buckingham Palace Road London SW1W 9TQ United Kingdom t +44 (0) 2032191684 mpearmain@google.com If you received this communication by mistake, please don't forward it to anyone else (it may contain confidential or privileged information), please erase all copies of it, including all...

...trial level, but it looks as if the arm-level information would be converted into trial one through escalc and the latter then used for the meta-analysis. Is that right? Many thanks. Angelo -- NIHR Research Methods Training Fellow, Department of Community Based Medicine University of Bristol 25 Belgrave Road Bristol BS8 2AA Tel. 0779 265-6552

...696 1 2 13 Chrome 22 12 1.7443 0 2 14 Chrome 60 12 0.2253 0 2 15 Chrome 24 14 4.3348 1 3 -- Michael Pearmain Senior Analytics Research Specialist Google UK Ltd Belgrave House 76 Buckingham Palace Road London SW1W 9TQ United Kingdom t +44 (0) 2032191684 mpearmain@google.com If you received this communication by mistake, please don't forward it to anyone else (it may contain confidential or privileged information), please erase all copies of it, including all...

...data = mydata, start = list(beta1 = 3, : singular gradient Can anyone offer any advice? Thanks in advance Mike -- Michael Pearmain Senior Analytics Research Specialist “Statistics are like women; mirrors of purest virtue and truth, or like whores to use as one pleases” Google UK Ltd Belgrave House 76 Buckingham Palace Road London SW1W 9TQ United Kingdom t +44 (0) 2032191684 mpearmain@google.com If you received this communication by mistake, please don't forward it to anyone else (it may contain confidential or privileged information), please erase all copies of it, including all...

...07-07-2008-15:24:01 07-07-2008-13:39:17 07-07-2008-13:39:55 timestamp<-strptime(timestamp,"%d-%m-%y-%H:%M:%S") ## then filter on the datetime time<-ifelse(timestamp> "07-08-2008-00:00:00", TRUE, FALSE) -- Michael Pearmain Senior Statistical Analyst Google UK Ltd Belgrave House 76 Buckingham Palace Road London SW1W 9TQ United Kingdom t +44 (0) 2032191684 mpearmain@google.com If you received this communication by mistake, please don't forward it to anyone else (it may contain confidential or privileged information), please erase all copies of it, including all...

...ain$power",sep=""))) + } Error in get(paste("channel.data.train$", i, "~channel.data.train$power", : variable "channel.data.train$News~channel.data.train$power" was not found -- Michael Pearmain Senior Analytics Research Specialist Google UK Ltd Belgrave House 76 Buckingham Palace Road London SW1W 9TQ United Kingdom t +44 (0) 2032191684 mpearmain@google.com If you received this communication by mistake, please don't forward it to anyone else (it may contain confidential or privileged information), please erase all copies of it, including all...