[ggbio+GenomicRanges] auto-plotting GRanges in R-devel fails
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@paul-theodor-pyl-5014
Last seen 9.6 years ago
Hi all, I observe the following behaviour in my R-devel when I try to autoplot a GRanges with ggbio: > library(ggbio) > library(GenomicRanges) > autoplot( GRanges( Rle("10",1), ranges=IRanges( start = 1000, width=110 ) ) ) Error in start(range(object, ignore.strand = TRUE)) : error in evaluating the argument 'x' in selecting a method for function 'start': Error in .local(o\ bject, ...) : could not find function "unsafe.update.GRanges" > sessionInfo() R Under development (unstable) (2012-11-28 r61176) Platform: x86_64-unknown-linux-gnu (64-bit) locale: [1] LC_CTYPE=en_US.UTF-8 LC_NUMERIC=C [3] LC_TIME=en_US.UTF-8 LC_COLLATE=en_US.UTF-8 [5] LC_MONETARY=en_US.UTF-8 LC_MESSAGES=en_US.UTF-8 [7] LC_PAPER=C LC_NAME=C [9] LC_ADDRESS=C LC_TELEPHONE=C [11] LC_MEASUREMENT=en_US.UTF-8 LC_IDENTIFICATION=C attached base packages: [1] parallel stats graphics grDevices utils datasets methods [8] base other attached packages: [1] BiocInstaller_1.9.4 ggbio_1.7.6 ggplot2_0.9.2.1 [4] GenomicRanges_1.11.15 IRanges_1.17.15 BiocGenerics_0.5.1 loaded via a namespace (and not attached): [1] AnnotationDbi_1.21.7 Biobase_2.19.1 biomaRt_2.15.0 [4] Biostrings_2.27.7 biovizBase_1.7.2 bitops_1.0-5 [7] BSgenome_1.27.1 cluster_1.14.3 colorspace_1.2-0 [10] compiler_2.16.0 DBI_0.2-5 dichromat_1.2-4 [13] digest_0.6.0 GenomicFeatures_1.11.5 grid_2.16.0 [16] gridExtra_0.9.1 gtable_0.1.1 Hmisc_3.10-1 [19] labeling_0.1 lattice_0.20-10 MASS_7.3-22 [22] memoise_0.1 munsell_0.4 plyr_1.7.1 [25] proto_0.3-9.2 RColorBrewer_1.0-5 RCurl_1.95-3 [28] reshape2_1.2.1 Rsamtools_1.11.11 RSQLite_0.11.2 [31] rtracklayer_1.19.6 scales_0.2.2 stats4_2.16.0 [34] stringr_0.6.1 tools_2.16.0 VariantAnnotation_1.5.17 [37] XML_3.95-0.1 zlibbioc_1.5.0 Thanks, Paul
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Tengfei Yin ▴ 420
@tengfei-yin-4323
Last seen 8.0 years ago
Hi Paul, Thanks a lot for the feedback, looks like you are using the latest bioc-devel branch, as you reported, I noticed ggbio has some issue with latest GenomicRanges. Basically range,GenomicRanges works if you just load 'GenomicRanges' package, but after loading ggbio, range, GenomicRanges doesn't work anymore. Even though it looks like they both calling the right method at 'range' level, but could be some namespace issues, I am working on this now, and will let you know when I figure it out what's going on and submit a fix. Thanks again. Tengfei On Thu, Nov 29, 2012 at 2:48 AM, Paul Theodor Pyl <paul.theodor.pyl@embl.de>wrote: > Hi all, > > I observe the following behaviour in my R-devel when I try to autoplot a > GRanges with ggbio: > > > library(ggbio) > > library(GenomicRanges) > > autoplot( GRanges( Rle("10",1), ranges=IRanges( start = 1000, width=110 > ) ) ) > Error in start(range(object, ignore.strand = TRUE)) : > error in evaluating the argument 'x' in selecting a method for function > 'start': Error in .local(o\ > bject, ...) : > could not find function "unsafe.update.GRanges" > > sessionInfo() > R Under development (unstable) (2012-11-28 r61176) > Platform: x86_64-unknown-linux-gnu (64-bit) > > locale: > [1] LC_CTYPE=en_US.UTF-8 LC_NUMERIC=C > [3] LC_TIME=en_US.UTF-8 LC_COLLATE=en_US.UTF-8 > [5] LC_MONETARY=en_US.UTF-8 LC_MESSAGES=en_US.UTF-8 > [7] LC_PAPER=C LC_NAME=C > [9] LC_ADDRESS=C LC_TELEPHONE=C > [11] LC_MEASUREMENT=en_US.UTF-8 LC_IDENTIFICATION=C > > attached base packages: > [1] parallel stats graphics grDevices utils datasets methods > [8] base > > other attached packages: > [1] BiocInstaller_1.9.4 ggbio_1.7.6 ggplot2_0.9.2.1 > [4] GenomicRanges_1.11.15 IRanges_1.17.15 BiocGenerics_0.5.1 > > loaded via a namespace (and not attached): > [1] AnnotationDbi_1.21.7 Biobase_2.19.1 biomaRt_2.15.0 > [4] Biostrings_2.27.7 biovizBase_1.7.2 bitops_1.0-5 > [7] BSgenome_1.27.1 cluster_1.14.3 colorspace_1.2-0 > [10] compiler_2.16.0 DBI_0.2-5 dichromat_1.2-4 > [13] digest_0.6.0 GenomicFeatures_1.11.5 grid_2.16.0 > [16] gridExtra_0.9.1 gtable_0.1.1 Hmisc_3.10-1 > [19] labeling_0.1 lattice_0.20-10 MASS_7.3-22 > [22] memoise_0.1 munsell_0.4 plyr_1.7.1 > [25] proto_0.3-9.2 RColorBrewer_1.0-5 RCurl_1.95-3 > [28] reshape2_1.2.1 Rsamtools_1.11.11 RSQLite_0.11.2 > [31] rtracklayer_1.19.6 scales_0.2.2 stats4_2.16.0 > [34] stringr_0.6.1 tools_2.16.0 VariantAnnotation_1.5.17 > [37] XML_3.95-0.1 zlibbioc_1.5.0 > > Thanks, > Paul > > ______________________________**_________________ > Bioconductor mailing list > Bioconductor@r-project.org > https://stat.ethz.ch/mailman/**listinfo/bioconductor<https: stat.et="" hz.ch="" mailman="" listinfo="" bioconductor=""> > Search the archives: http://news.gmane.org/gmane.** > science.biology.informatics.**conductor<http: news.gmane.org="" gmane.="" science.biology.informatics.conductor=""> > -- Tengfei Yin MCDB PhD student 1620 Howe Hall, 2274, Iowa State University Ames, IA,50011-2274 [[alternative HTML version deleted]]
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On 11/29/2012 10:17 AM, Tengfei Yin wrote: > Hi Paul, > > Thanks a lot for the feedback, looks like you are using the latest > bioc-devel branch, as you reported, I noticed ggbio has some issue with > latest GenomicRanges. Basically range,GenomicRanges works if you just load > 'GenomicRanges' package, but after loading ggbio, range, GenomicRanges I'm not exactly sure what's going on, but I notice that 'range' is actually a member of the group generic 'Summary', so I think that ggbio should importMethodsFrom(GenomicRanges, Summary) (and maybe similarly for IRanges, Summary?). I'd be interested in knowing how this gets fixed. Martin > doesn't work anymore. Even though it looks like they both calling the right > method at 'range' level, but could be some namespace issues, I am working > on this now, and will let you know when I figure it out what's going on and > submit a fix. > > Thanks again. > > Tengfei > > On Thu, Nov 29, 2012 at 2:48 AM, Paul Theodor Pyl > <paul.theodor.pyl at="" embl.de="">wrote: > >> Hi all, >> >> I observe the following behaviour in my R-devel when I try to autoplot a >> GRanges with ggbio: >> >>> library(ggbio) >>> library(GenomicRanges) >>> autoplot( GRanges( Rle("10",1), ranges=IRanges( start = 1000, width=110 >> ) ) ) >> Error in start(range(object, ignore.strand = TRUE)) : >> error in evaluating the argument 'x' in selecting a method for function >> 'start': Error in .local(o\ >> bject, ...) : >> could not find function "unsafe.update.GRanges" >>> sessionInfo() >> R Under development (unstable) (2012-11-28 r61176) >> Platform: x86_64-unknown-linux-gnu (64-bit) >> >> locale: >> [1] LC_CTYPE=en_US.UTF-8 LC_NUMERIC=C >> [3] LC_TIME=en_US.UTF-8 LC_COLLATE=en_US.UTF-8 >> [5] LC_MONETARY=en_US.UTF-8 LC_MESSAGES=en_US.UTF-8 >> [7] LC_PAPER=C LC_NAME=C >> [9] LC_ADDRESS=C LC_TELEPHONE=C >> [11] LC_MEASUREMENT=en_US.UTF-8 LC_IDENTIFICATION=C >> >> attached base packages: >> [1] parallel stats graphics grDevices utils datasets methods >> [8] base >> >> other attached packages: >> [1] BiocInstaller_1.9.4 ggbio_1.7.6 ggplot2_0.9.2.1 >> [4] GenomicRanges_1.11.15 IRanges_1.17.15 BiocGenerics_0.5.1 >> >> loaded via a namespace (and not attached): >> [1] AnnotationDbi_1.21.7 Biobase_2.19.1 biomaRt_2.15.0 >> [4] Biostrings_2.27.7 biovizBase_1.7.2 bitops_1.0-5 >> [7] BSgenome_1.27.1 cluster_1.14.3 colorspace_1.2-0 >> [10] compiler_2.16.0 DBI_0.2-5 dichromat_1.2-4 >> [13] digest_0.6.0 GenomicFeatures_1.11.5 grid_2.16.0 >> [16] gridExtra_0.9.1 gtable_0.1.1 Hmisc_3.10-1 >> [19] labeling_0.1 lattice_0.20-10 MASS_7.3-22 >> [22] memoise_0.1 munsell_0.4 plyr_1.7.1 >> [25] proto_0.3-9.2 RColorBrewer_1.0-5 RCurl_1.95-3 >> [28] reshape2_1.2.1 Rsamtools_1.11.11 RSQLite_0.11.2 >> [31] rtracklayer_1.19.6 scales_0.2.2 stats4_2.16.0 >> [34] stringr_0.6.1 tools_2.16.0 VariantAnnotation_1.5.17 >> [37] XML_3.95-0.1 zlibbioc_1.5.0 >> >> Thanks, >> Paul >> >> ______________________________**_________________ >> Bioconductor mailing list >> Bioconductor at r-project.org >> https://stat.ethz.ch/mailman/**listinfo/bioconductor<https: stat.e="" thz.ch="" mailman="" listinfo="" bioconductor=""> >> Search the archives: http://news.gmane.org/gmane.** >> science.biology.informatics.**conductor<http: news.gmane.org="" gmane="" .science.biology.informatics.conductor=""> >> > > > -- Dr. Martin Morgan, PhD Fred Hutchinson Cancer Research Center 1100 Fairview Ave. N. PO Box 19024 Seattle, WA 98109
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On Thu, Nov 29, 2012 at 12:49 PM, Martin Morgan <mtmorgan@fhcrc.org> wrote: > On 11/29/2012 10:17 AM, Tengfei Yin wrote: > >> Hi Paul, >> >> Thanks a lot for the feedback, looks like you are using the latest >> bioc-devel branch, as you reported, I noticed ggbio has some issue with >> latest GenomicRanges. Basically range,GenomicRanges works if you just load >> 'GenomicRanges' package, but after loading ggbio, range, GenomicRanges >> > > I'm not exactly sure what's going on, but I notice that 'range' is > actually a member of the group generic 'Summary', so I think that ggbio > should importMethodsFrom(**GenomicRanges, Summary) (and maybe similarly > for IRanges, Summary?). I'd be interested in knowing how this gets fixed. > Hi Martin, Thanks a lot for your suggestion. Short story: Working like a charm! I only import method summary from GenomicRanges, that fix the problem. Long story: Very weird, I cannot reproduce this error anymore after I fix the problem, even when I remove and install the original one. I also try to install latest bioc on another machine, I cannot reproduce the error Paul reported. the only difference is R-devel version, Paul's R version is latest. I am updating my R now . Tengfei > Martin > > doesn't work anymore. Even though it looks like they both calling the >> right >> method at 'range' level, but could be some namespace issues, I am working >> on this now, and will let you know when I figure it out what's going on >> and >> submit a fix. >> >> Thanks again. >> >> Tengfei >> >> On Thu, Nov 29, 2012 at 2:48 AM, Paul Theodor Pyl >> <paul.theodor.pyl@embl.de>**wrote: >> >> Hi all, >>> >>> I observe the following behaviour in my R-devel when I try to autoplot a >>> GRanges with ggbio: >>> >>> library(ggbio) >>>> library(GenomicRanges) >>>> autoplot( GRanges( Rle("10",1), ranges=IRanges( start = 1000, width=110 >>>> >>> ) ) ) >>> Error in start(range(object, ignore.strand = TRUE)) : >>> error in evaluating the argument 'x' in selecting a method for >>> function >>> 'start': Error in .local(o\ >>> bject, ...) : >>> could not find function "unsafe.update.GRanges" >>> >>>> sessionInfo() >>>> >>> R Under development (unstable) (2012-11-28 r61176) >>> Platform: x86_64-unknown-linux-gnu (64-bit) >>> >>> locale: >>> [1] LC_CTYPE=en_US.UTF-8 LC_NUMERIC=C >>> [3] LC_TIME=en_US.UTF-8 LC_COLLATE=en_US.UTF-8 >>> [5] LC_MONETARY=en_US.UTF-8 LC_MESSAGES=en_US.UTF-8 >>> [7] LC_PAPER=C LC_NAME=C >>> [9] LC_ADDRESS=C LC_TELEPHONE=C >>> [11] LC_MEASUREMENT=en_US.UTF-8 LC_IDENTIFICATION=C >>> >>> attached base packages: >>> [1] parallel stats graphics grDevices utils datasets methods >>> [8] base >>> >>> other attached packages: >>> [1] BiocInstaller_1.9.4 ggbio_1.7.6 ggplot2_0.9.2.1 >>> [4] GenomicRanges_1.11.15 IRanges_1.17.15 BiocGenerics_0.5.1 >>> >>> loaded via a namespace (and not attached): >>> [1] AnnotationDbi_1.21.7 Biobase_2.19.1 biomaRt_2.15.0 >>> [4] Biostrings_2.27.7 biovizBase_1.7.2 bitops_1.0-5 >>> [7] BSgenome_1.27.1 cluster_1.14.3 colorspace_1.2-0 >>> [10] compiler_2.16.0 DBI_0.2-5 dichromat_1.2-4 >>> [13] digest_0.6.0 GenomicFeatures_1.11.5 grid_2.16.0 >>> [16] gridExtra_0.9.1 gtable_0.1.1 Hmisc_3.10-1 >>> [19] labeling_0.1 lattice_0.20-10 MASS_7.3-22 >>> [22] memoise_0.1 munsell_0.4 plyr_1.7.1 >>> [25] proto_0.3-9.2 RColorBrewer_1.0-5 RCurl_1.95-3 >>> [28] reshape2_1.2.1 Rsamtools_1.11.11 RSQLite_0.11.2 >>> [31] rtracklayer_1.19.6 scales_0.2.2 stats4_2.16.0 >>> [34] stringr_0.6.1 tools_2.16.0 VariantAnnotation_1.5.17 >>> [37] XML_3.95-0.1 zlibbioc_1.5.0 >>> >>> Thanks, >>> Paul >>> >>> ______________________________****_________________ >>> Bioconductor mailing list >>> Bioconductor@r-project.org >>> https://stat.ethz.ch/mailman/****listinfo/bioconductor<https: sta="" t.ethz.ch="" mailman="" **listinfo="" bioconductor=""> >>> <https: **="" stat.ethz.ch="" mailman="" **listinfo="" bioconductor<https:="" st="" at.ethz.ch="" mailman="" listinfo="" bioconductor=""> >>> > >>> Search the archives: http://news.gmane.org/gmane.** >>> science.biology.informatics.****conductor<http: news.gmane.**="">>> org/gmane.science.biology.**informatics.conductor<http: news.gman="" e.org="" gmane.science.biology.informatics.conductor=""> >>> > >>> >>> >> >> >> > > -- > Dr. Martin Morgan, PhD > Fred Hutchinson Cancer Research Center > 1100 Fairview Ave. N. > PO Box 19024 Seattle, WA 98109 > -- Tengfei Yin MCDB PhD student 1620 Howe Hall, 2274, Iowa State University Ames, IA,50011-2274 [[alternative HTML version deleted]]
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Hi Paul, Would you mind update everything first , via biocLite() with no argument, to see if that fix your problem, because my version works and version of some of those packages, like VariantAnnotatiton and Rsamtools, are slightly higher than yours as shown below. However, just FYI, if I am using latest R-devel (today's build), it has another error which I believe not related to GenomicRanges, though I still have to figure out that problem too . Tengfei > sessionInfo() R Under development (unstable) (2012-10-03 r60868) Platform: x86_64-unknown-linux-gnu (64-bit) locale: [1] LC_CTYPE=en_US.UTF-8 LC_NUMERIC=C [3] LC_TIME=en_US.UTF-8 LC_COLLATE=en_US.UTF-8 [5] LC_MONETARY=en_US.UTF-8 LC_MESSAGES=en_US.UTF-8 [7] LC_PAPER=C LC_NAME=C [9] LC_ADDRESS=C LC_TELEPHONE=C [11] LC_MEASUREMENT=en_US.UTF-8 LC_IDENTIFICATION=C attached base packages: [1] parallel stats graphics grDevices utils datasets methods [8] base other attached packages: [1] GenomicRanges_1.11.15 IRanges_1.17.15 BiocGenerics_0.5.1 [4] ggbio_1.7.6 ggplot2_0.9.3 loaded via a namespace (and not attached): [1] AnnotationDbi_1.21.7 Biobase_2.19.1 biomaRt_2.15.0 [4] Biostrings_2.27.7 biovizBase_1.7.2 bitops_1.0-5 [7] BSgenome_1.27.1 cluster_1.14.2 colorspace_1.1-1 [10] DBI_0.2-5 dichromat_1.2-4 digest_0.5.1 [13] GenomicFeatures_1.11.5 grid_2.16.0 gridExtra_0.9.1 [16] gtable_0.1.2 Hmisc_3.10-1 labeling_0.1 [19] lattice_0.20-6 MASS_7.3-19 munsell_0.4 [22] plyr_1.8 proto_0.3-9.2 RColorBrewer_1.0-5 [25] RCurl_1.95-3 reshape2_1.2.1 Rsamtools_1.11.12 [28] RSQLite_0.11.2 rtracklayer_1.19.6 scales_0.2.3 [31] stats4_2.16.0 stringr_0.6.1 tools_2.16.0 [34] VariantAnnotation_1.5.18 XML_3.95-0.1 zlibbioc_1.5.0 > On Thu, Nov 29, 2012 at 2:21 PM, Tengfei Yin <yintengfei@gmail.com> wrote: > > > On Thu, Nov 29, 2012 at 12:49 PM, Martin Morgan <mtmorgan@fhcrc.org>wrote: > >> On 11/29/2012 10:17 AM, Tengfei Yin wrote: >> >>> Hi Paul, >>> >>> Thanks a lot for the feedback, looks like you are using the latest >>> bioc-devel branch, as you reported, I noticed ggbio has some issue with >>> latest GenomicRanges. Basically range,GenomicRanges works if you just >>> load >>> 'GenomicRanges' package, but after loading ggbio, range, GenomicRanges >>> >> >> I'm not exactly sure what's going on, but I notice that 'range' is >> actually a member of the group generic 'Summary', so I think that ggbio >> should importMethodsFrom(**GenomicRanges, Summary) (and maybe similarly >> for IRanges, Summary?). I'd be interested in knowing how this gets fixed. >> > > Hi Martin, > > Thanks a lot for your suggestion. > > Short story: > Working like a charm! I only import method summary from GenomicRanges, > that fix the problem. > > Long story: > Very weird, I cannot reproduce this error anymore after I fix the problem, > even when I remove and install the original one. I also try to install > latest bioc on another machine, I cannot reproduce the error Paul reported. > the only difference is R-devel version, Paul's R version is latest. I am > updating my R now . > > Tengfei > > >> Martin >> >> doesn't work anymore. Even though it looks like they both calling the >>> right >>> method at 'range' level, but could be some namespace issues, I am working >>> on this now, and will let you know when I figure it out what's going on >>> and >>> submit a fix. >>> >>> Thanks again. >>> >>> Tengfei >>> >>> On Thu, Nov 29, 2012 at 2:48 AM, Paul Theodor Pyl >>> <paul.theodor.pyl@embl.de>**wrote: >>> >>> Hi all, >>>> >>>> I observe the following behaviour in my R-devel when I try to autoplot a >>>> GRanges with ggbio: >>>> >>>> library(ggbio) >>>>> library(GenomicRanges) >>>>> autoplot( GRanges( Rle("10",1), ranges=IRanges( start = 1000, width=110 >>>>> >>>> ) ) ) >>>> Error in start(range(object, ignore.strand = TRUE)) : >>>> error in evaluating the argument 'x' in selecting a method for >>>> function >>>> 'start': Error in .local(o\ >>>> bject, ...) : >>>> could not find function "unsafe.update.GRanges" >>>> >>>>> sessionInfo() >>>>> >>>> R Under development (unstable) (2012-11-28 r61176) >>>> Platform: x86_64-unknown-linux-gnu (64-bit) >>>> >>>> locale: >>>> [1] LC_CTYPE=en_US.UTF-8 LC_NUMERIC=C >>>> [3] LC_TIME=en_US.UTF-8 LC_COLLATE=en_US.UTF-8 >>>> [5] LC_MONETARY=en_US.UTF-8 LC_MESSAGES=en_US.UTF-8 >>>> [7] LC_PAPER=C LC_NAME=C >>>> [9] LC_ADDRESS=C LC_TELEPHONE=C >>>> [11] LC_MEASUREMENT=en_US.UTF-8 LC_IDENTIFICATION=C >>>> >>>> attached base packages: >>>> [1] parallel stats graphics grDevices utils datasets methods >>>> [8] base >>>> >>>> other attached packages: >>>> [1] BiocInstaller_1.9.4 ggbio_1.7.6 ggplot2_0.9.2.1 >>>> [4] GenomicRanges_1.11.15 IRanges_1.17.15 BiocGenerics_0.5.1 >>>> >>>> loaded via a namespace (and not attached): >>>> [1] AnnotationDbi_1.21.7 Biobase_2.19.1 biomaRt_2.15.0 >>>> [4] Biostrings_2.27.7 biovizBase_1.7.2 bitops_1.0-5 >>>> [7] BSgenome_1.27.1 cluster_1.14.3 colorspace_1.2-0 >>>> [10] compiler_2.16.0 DBI_0.2-5 dichromat_1.2-4 >>>> [13] digest_0.6.0 GenomicFeatures_1.11.5 grid_2.16.0 >>>> [16] gridExtra_0.9.1 gtable_0.1.1 Hmisc_3.10-1 >>>> [19] labeling_0.1 lattice_0.20-10 MASS_7.3-22 >>>> [22] memoise_0.1 munsell_0.4 plyr_1.7.1 >>>> [25] proto_0.3-9.2 RColorBrewer_1.0-5 RCurl_1.95-3 >>>> [28] reshape2_1.2.1 Rsamtools_1.11.11 RSQLite_0.11.2 >>>> [31] rtracklayer_1.19.6 scales_0.2.2 stats4_2.16.0 >>>> [34] stringr_0.6.1 tools_2.16.0 VariantAnnotation_1.5.17 >>>> [37] XML_3.95-0.1 zlibbioc_1.5.0 >>>> >>>> Thanks, >>>> Paul >>>> >>>> ______________________________****_________________ >>>> Bioconductor mailing list >>>> Bioconductor@r-project.org >>>> https://stat.ethz.ch/mailman/****listinfo/bioconductor<https: st="" at.ethz.ch="" mailman="" **listinfo="" bioconductor=""> >>>> <https: **="" stat.ethz.ch="" mailman="" **listinfo="" bioconductor<https:="" s="" tat.ethz.ch="" mailman="" listinfo="" bioconductor=""> >>>> > >>>> Search the archives: http://news.gmane.org/gmane.** >>>> science.biology.informatics.****conductor<http: news.gmane.**="">>>> org/gmane.science.biology.**informatics.conductor<http: news.gma="" ne.org="" gmane.science.biology.informatics.conductor=""> >>>> > >>>> >>>> >>> >>> >>> >> >> -- >> Dr. Martin Morgan, PhD >> Fred Hutchinson Cancer Research Center >> 1100 Fairview Ave. N. >> PO Box 19024 Seattle, WA 98109 >> > > > > -- > Tengfei Yin > MCDB PhD student > 1620 Howe Hall, 2274, > Iowa State University > Ames, IA,50011-2274 > > > > -- Tengfei Yin MCDB PhD student 1620 Howe Hall, 2274, Iowa State University Ames, IA,50011-2274 [[alternative HTML version deleted]]
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