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...e i've read that financial data resembles the random walk, where the ARIMA model fits). is this correct? if my data is called "numbers" ts.plot(numbers) acf(numbers,30,type='partial') now, i want to difference at a particular number of lags, and i thought to use this code: dnumbers <- diff(numbers, 10) ts.plot(dnumbers) acf(dnumbers) acf(dnumbers, 30,type='partial') but i get error messages after ts.plot(dnumbers): Error in matrix(rep.int(tx, k), ncol = k) : invalid 'nrow' value (too large or NA) and after acf(dnumbers): Error in plot.acf(acf.out, .....

...e i've read that financial data resembles the random walk, where the ARIMA model fits). is this correct? if my data is called "numbers" ts.plot(numbers) acf(numbers,30,type='partial') now, i want to difference at a particular number of lags, and i thought to use this code: dnumbers <- diff(numbers, 10) ts.plot(dnumbers) acf(dnumbers) acf(dnumbers, 30,type='partial') but i get error messages after ts.plot(dnumbers): Error in matrix(rep.int(tx, k), ncol = k) : invalid 'nrow' value (too large or NA) and after acf(dnumbers): Error in plot.acf(acf.out, .....

I just moved from using samba 2.2.5 using ldapsam on a mac os x server 10.2.5 system to samba 3.0 alpha23. I have this samba server acting as a PDC. I would like to enable group mappings but am having an issue. This is the first group mapping error I get when a user first logs in: ldap_connect_system: succesful connection to the LDAP server [2003/04/19 13:39:00, 2]

Hello, I'm having trouble configuring an Ubuntu Hoary Samba server to use LDAP for authentication (the server is named "dixie"). I'm basing my configuration on another server here at work that connects just fine. When I try to just list samba shares on dixie with $ smbclient -L dixie -U faker It takes quite some time for the request to go through before failing. Looking at the