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Total 11 documents matching your query.

1. function 'mnb0'? (score: 1)
Author: Ren Yu <ryu@emmes.com>
Date: Thu, 26 Oct 2000 14:00:16 -0400
Hi all, I would like to find a routine for constrained minimization without derivatives or Nelder-Mead simplex routine in Splus. I searched in Snews archives and found that someone mentioned a Splus
/archives/html/s-news/2000-10/msg00224.html (6,311 bytes)

2. [S] avoid loop (score: 1)
Author: Ren Yu <ryu@emmes.com>
Date: Wed, 20 Sep 2000 13:43:46 -0400
Hi all, I want to perform a 2-sample t-test for each row(m_i) of a dataframe(m x (n1+n2)). Is there a quick way without having loop to do it ? Since my data set usually has thousands of rows. Thanks
/archives/html/s-news/2000-09/msg00147.html (6,803 bytes)

3. [S] avoid loops (score: 1)
Author: Ren Yu <ryu@emmes.com>
Date: Wed, 17 May 2000 15:21:58 -0400
ho
/archives/html/s-news/2000-05/msg00132.html (6,997 bytes)

4. Re: [S] avoid loops (score: 1)
Author: Ren Yu <ryu@emmes.com>
Date: Wed, 17 May 2000 16:22:32 -0400
lou
/archives/html/s-news/2000-05/msg00134.html (8,180 bytes)

5. [S] track CPU time in simulation (score: 1)
Author: Ren Yu <ryu@emmes.com>
Date: Wed, 05 Jan 2000 16:30:12 -0500
Hi all, I have a question that may be trivial to you. I am running some simulations on both PC(window NT) Splus2000 and unix/linux Splus5.1. I would like to know the actual CPU time spent on the simu
/archives/html/s-news/2000-01/msg00018.html (7,449 bytes)

6. [S] Summary: track CPU time in simulation (score: 1)
Author: Ren Yu <ryu@emmes.com>
Date: Thu, 06 Jan 2000 09:53:43 -0500
My original query: "I have a question that may be trivial to you. I am running some simulations on both PC(window NT) Splus2000 and unix/linux Splus5.1. I would like to know the actual CPU time spen
/archives/html/s-news/2000-01/msg00027.html (9,219 bytes)

7. [S] Transfer object between Splus5 and Splus2000 (score: 1)
Author: Ren Yu <ryu@emmes.com>
Date: Wed, 22 Dec 1999 09:39:00 -0500
Dear S-users, I ran a simulation in Splus5 on a linux machine and would like to get some plots in Splus2000 on PC. I used 'data.dump' in Splus5 and 'data.restore' in Splus2000 for the object but got
/archives/html/s-news/1999-12/msg00162.html (7,644 bytes)

8. Re: [S] Transfer object between Splus5 and Splus2000 (score: 1)
Author: Ren Yu <ryu@emmes.com>
Date: Wed, 22 Dec 1999 11:12:47 -0500
Dear Prof. Ripley, Thank you very much for your quick response. 'data.dump(, oldStyle=T)' works fine for me. Happy Holidays! Ren -- This message was distributed by s-news@wubios.wustl.edu. To unsubsc
/archives/html/s-news/1999-12/msg00164.html (7,752 bytes)

9. [S] cor. matrix (score: 1)
Author: Ren Yu <ryu@emmes.com>
Date: Mon, 04 Oct 1999 11:21:48 -0400
Dear S-plus users, I wanted to calculate the correlation matrix for a 92 x 1853 data matrix and got the following message: 'Error: Big file (E:\SPLUS2000\splus\_Functio/__BIG) has bad header' Is ther
/archives/html/s-news/1999-10/msg00024.html (6,913 bytes)

10. [S] merge multiple datasets (score: 1)
Author: Ren Yu <ryu@emmes.com>
Date: Tue, 05 Oct 1999 12:50:41 -0400
Hi there, Is there a function in Splus that can merge n(n>2) datasets simultaneously by column match? Thanks a lot. -- This message was distributed by s-news@wubios.wustl.edu. To unsubscribe send e-m
/archives/html/s-news/1999-10/msg00043.html (6,607 bytes)

11. [S] Error msg. (score: 1)
Author: Ren Yu <ryu@emmes.com>
Date: Mon, 11 Oct 1999 11:43:02 -0400
Dear S-users, I got the following error message when calculating the correlation matrix for data with missing value. Error in cor: Missing value where logical needed: if(n < 1) { z <- array(as.numeri
/archives/html/s-news/1999-10/msg00088.html (6,953 bytes)

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