search for: 100193

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2013 Jan 23
4
how to read a df like that and transform it?
...3 49392 library (plyr) and library (reshape2) and other good packages are OK for me. Thanks a lot! Yao He ????????????????????????? Master candidate in 2rd year Department of Animal genetics & breeding Room 436,College of Animial Science&Technology, China Agriculture University,Beijing,100193 E-mail: yao.h.1988 at gmail.com ??????????????????????????
2013 Jan 07
2
how to aggregate T-test result in an elegant way?
...lot and I want to know an elegant way to report raw result. Can anybody give me some pieces of advice? Yao He ????????????????????????? Master candidate in 2rd year Department of Animal genetics & breeding Room 436,College of Animial Science&Technology, China Agriculture University,Beijing,100193 E-mail: yao.h.1988 at gmail.com ??????????????????????????
2012 Dec 16
3
how to handle NA values in aggregate()
...he results are all NAs Please tell me how to handle NA values in the use of aggregate() Thanks a lot Yao He ????????????????????????? Master candidate in 2rd year Department of Animal genetics & breeding Room 436,College of Animial Science&Technology, China Agriculture University,Beijing,100193 E-mail: yao.h.1988 at gmail.com ??????????????????????????
2013 Mar 06
1
Transpose a big data file and write to a new file
...write.table(geno_t,"xxx.txt") It works but it is too slow ,how to optimize it??? Thank you Yao He ????????????????????????? Master candidate in 2rd year Department of Animal genetics & breeding Room 436,College of Animial Science&Technology, China Agriculture University,Beijing,100193 E-mail: yao.h.1988 at gmail.com ??????????????????????????
2013 Mar 19
2
how to do association study based on mixed linear model
...d incorporate covariates and what about their computational efficiency? Thanks for you recommendation Yao He ????????????????????????? Master candidate in 2rd year Department of Animal genetics & breeding Room 436,College of Animial Science&Technology, China Agriculture University,Beijing,100193 E-mail: yao.h.1988 at gmail.com ??????????????????????????
2012 Dec 20
2
how to read different files into different objects in one time?
...use of loop or sapply() ,but there may be a better way to do what I want. Thanks a lot Yao He Yao He -- ????????????????????????? Master candidate in 2rd year Department of Animal genetics & breeding Room 436,College of Animial Science&Technology, China Agriculture University,Beijing,100193 E-mail: yao.h.1988 at gmail.com ??????????????????????????
2010 May 25
1
Need Help! Poor performance about randomForest for large data
...es to do the same thing? I will appreciate if anyone can help me out, thanks! Thanks and Best regards, ------------------------------------------------ Jia, Zou (×Þ¼Î), Ph.D. IBM Research -- China Diamond Building, #19 Zhongguancun Software Park, 8 Dongbeiwang West Road, Haidian District, Beijing 100193, P.R. China Tel: +86 (10) 58748518 E-mail: jiazou@cn.ibm.com [[alternative HTML version deleted]]
2012 Dec 13
2
How to select a subset data to do a barplot in ggplot2
...rm" or other levels just in the use of ggplot2 without generating another dataframe Thanks a lot Yao He ————————————————————————— Master candidate in 2rd year Department of Animal genetics & breeding Room 436,College of Animial Science&Technology, China Agriculture University,Beijing,100193 E-mail: yao.h.1988@gmail.com <mingxie@vt.edu> —————————————————————————— [[alternative HTML version deleted]]
2013 Jan 08
1
ggplot not showing all the years on the x-axis
Dear R helpers, I am currently having hard time fixing the values on the x-axis of a plot with ggplot: even though I have 12 years, ggplot plots only 3 of them. Here is my example: library(ggplot2) ii <- 2000:2011 ss <- rnorm(12,0,1) pm <- data.frame(ii,ss) tmpplot <- ggplot(pm, aes(x = ii, y = ss)) plot <- tmpplot + geom_line() plot In my case, ggplot reports on the year 2000,
2011 Nov 14
2
libvirt0.8.7.tar.gz installation failure
Hi: I get a very strange problem when I installing libvirt0.8.7.tar.gz. Here is my infomaton: compute with RHELD6.0 systerm; the systerm comes with libvirt0.8.7,bu I uninstalled it and its dependencies . And then i download the libvirt0.8.7.tar.gz , untar it ,configure --with-esx,make,make install. But I got an error like "libvirtd: /usr/local/lib/libvirt.so.0: version
2013 Mar 07
2
How to transpose it in a fast way?
...write.table(geno_t,"xxx.txt") It works but it is too slow ,how to optimize it??? Thank you Yao He ????????????????????????? Master candidate in 2rd year Department of Animal genetics & breeding Room 436,College of Animial Science&Technology, China Agriculture University,Beijing,100193 E-mail: yao.h.1988 at gmail.com ??????????????????????????
2013 Jan 09
4
how to count "A","C","T","G" in each row in a big data.frame?
...mple output what I want is like that A C AA AC CC 3 5 1 1 2 Thanks in advance Yao He -- ????????????????????????? Master candidate in 2rd year Department of Animal genetics & breeding Room 436,College of Animial Science&Technology, China Agriculture University,Beijing,100193 E-mail: yao.h.1988 at gmail.com ??????????????????????????
2013 Jan 10
1
how to generate a matrix by an my data.frame
...1 0 2451 2356 0 2451 2611 0 2321 2321 0 2321 2356 0 2321 2611 0 2356 2356 0 2356 2611 0 2611 2611 0 Yao He ????????????????????????? Master candidate in 2rd year Department of Animal genetics & breeding Room 436,College of Animial Science&Technology, China Agriculture University,Beijing,100193 E-mail: yao.h.1988 at gmail.com ?????????????????????????? -------------- next part -------------- 1 2353 2353 0.096313 1 2353 2409 0.301773 1 2353 2500 0.169518 1 2353 2598 0.11274 1 2353 2610 0.107414 1 2353 2300 0.034492 1 2353 2507 0.037521 1 2353 2530 0.064125 1 2353 2327 0.029259 1 2353 2389...
2013 Jan 16
1
rombios unable to loaded MPT BIOS
Hi All, When tried to pass through 2 mpt2sas HBA to hvm guest, hvmloader paused with below: MPT BIOS Fault 09h encountered at adapter PCI(00h,04h,00h) Press any key to continue... Checked related codes and mostly like it caused by rombios did not loaded MPT BIOS properly, and lead MPT BIOS failed to bootup. config-file of the guest as below: ---------------------------------- # cat vm.cfg