[R] ggplot2: remove axis ticks

Brian Smith bsmith030465 at gmail.com
Mon Dec 7 16:10:14 CET 2015


Hi,

I was trying to remove the axis tick marks and their values using theme()
but haven't had much success. Here is sample code:

rx <- sample(1:100,10)
ry <- sample(1:100,10)
rz <- sample(letters[1:3],10,replace=T)
rdf <- data.frame(rx,ry,rz)

p <- ggplot(rdf,aes(x=rx,y=ry))
p1 <- p + geom_point(aes(shape=factor(rz),colour=factor(rz)),size=6) +
    theme(axis.ticks = element_blank(), axis.text.x =
element_blank(),axis.text.y = element_blank()) +
    scale_shape_manual(values=rz)  + theme_bw() +
    labs(colour='rz',shape='rz')
p1


My session info:

> sessionInfo()
R version 3.2.2 (2015-08-14)
Platform: x86_64-apple-darwin13.4.0 (64-bit)
Running under: OS X 10.10.5 (Yosemite)

locale:
[1] en_US.UTF-8/en_US.UTF-8/en_US.UTF-8/C/en_US.UTF-8/en_US.UTF-8

attached base packages:
 [1] grid      stats4    parallel  stats     graphics  grDevices utils
datasets  methods   base

other attached packages:
 [1] IlluminaHumanMethylation450kmanifest_0.4.0 biomaRt_2.26.1

 [3] data.table_1.9.6                           foreign_0.8-65

 [5] preprocessCore_1.32.0                      gtools_3.5.0

 [7] BiocInstaller_1.20.1                       ggdendro_0.1-17

 [9] reshape_0.8.5                              RnBeads_1.2.0

[11] plyr_1.8.3                                 methylumi_2.16.0

[13] minfi_1.16.0                               bumphunter_1.10.0

[15] locfit_1.5-9.1                             iterators_1.0.8

[17] foreach_1.4.3                              Biostrings_2.38.2

[19] XVector_0.10.0                             SummarizedExperiment_1.0.1

[21] lattice_0.20-33
 FDb.InfiniumMethylation.hg19_2.2.0
[23] org.Hs.eg.db_3.2.3                         RSQLite_1.0.0

[25] DBI_0.3.1
 TxDb.Hsapiens.UCSC.hg19.knownGene_3.2.2
[27] GenomicFeatures_1.22.5                     AnnotationDbi_1.32.0

[29] reshape2_1.4.1                             scales_0.3.0

[31] Biobase_2.30.0                             illuminaio_0.12.0

[33] matrixStats_0.15.0                         limma_3.26.3

[35] gridExtra_2.0.0                            gplots_2.17.0

[37] ggplot2_1.0.1                              fields_8.3-5

[39] maps_3.0.0-2                               spam_1.3-0

[41] ff_2.2-13                                  bit_1.1-12

[43] cluster_2.0.3                              RColorBrewer_1.1-2

[45] MASS_7.3-43                                GenomicRanges_1.22.1

[47] GenomeInfoDb_1.6.1                         IRanges_2.4.4

[49] S4Vectors_0.8.3                            BiocGenerics_0.16.1


loaded via a namespace (and not attached):
 [1] nlme_3.1-121            bitops_1.0-6            tools_3.2.2
  doRNG_1.6
 [5] nor1mix_1.2-1           KernSmooth_2.23-15      colorspace_1.2-6
 base64_1.1
 [9] chron_2.3-47            pkgmaker_0.22           labeling_0.3
 rtracklayer_1.30.1
[13] caTools_1.17.1          genefilter_1.52.0       quadprog_1.5-5
 stringr_1.0.0
[17] digest_0.6.8            Rsamtools_1.22.0        siggenes_1.44.0
  GEOquery_2.36.0
[21] mclust_5.1              BiocParallel_1.4.0      RCurl_1.95-4.7
 magrittr_1.5
[25] futile.logger_1.4.1     Rcpp_0.12.2             munsell_0.4.2
  proto_0.3-10
[29] stringi_1.0-1           zlibbioc_1.16.0         gdata_2.17.0
 splines_3.2.2
[33] multtest_2.26.0         annotate_1.48.0         beanplot_1.2
 igraph_1.0.1
[37] corpcor_1.6.8           rngtools_1.2.4          codetools_0.2-14
 mixOmics_5.2.0
[41] futile.options_1.0.0    XML_3.98-1.3            lambda.r_1.1.7
 gtable_0.1.2
[45] xtable_1.8-0            survival_2.38-3         ellipse_0.3-8
  GenomicAlignments_1.6.1
[49] registry_0.3            rgl_0.95.1201


Am I setting the arguments for theme() incorrectly?

many thanks,

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