[R] Ggplot error

[Zeki ÇATAV]

Hello,
I've an error recently.

ggplot(data = mtcars, aes(x= wt, y= mpg)) + geom_line()
Error: Found object is not a stat.

> sessionInfo()
R version 3.4.2 (2017-09-28)
Platform: x86_64-pc-linux-gnu (64-bit)
Running under: Ubuntu 16.04.3 LTS

Matrix products: default
BLAS: /usr/lib/openblas-base/libblas.so.3
LAPACK: /usr/lib/libopenblasp-r0.2.18.so

locale:
 [1] LC_CTYPE=tr_TR.UTF-8       LC_NUMERIC=C
 LC_TIME=tr_TR.UTF-8
 [4] LC_COLLATE=tr_TR.UTF-8     LC_MONETARY=tr_TR.UTF-8
LC_MESSAGES=tr_TR.UTF-8
 [7] LC_PAPER=tr_TR.UTF-8       LC_NAME=C                  LC_ADDRESS=C

[10] LC_TELEPHONE=C             LC_MEASUREMENT=tr_TR.UTF-8
LC_IDENTIFICATION=C

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

other attached packages:
[1] dplyr_0.7.4     purrr_0.2.4     readr_1.1.1     tidyr_0.7.2
 tibble_1.3.4    tidyverse_1.1.1
[7] ggplot2_2.2.1

loaded via a namespace (and not attached):
 [1] Rcpp_0.12.13       lubridate_1.7.1    lattice_0.20-35    class_7.3-14
     assertthat_0.2.0
 [6] ipred_0.9-6        psych_1.7.8        foreach_1.4.3      R6_2.2.2
     cellranger_1.1.0
[11] plyr_1.8.4         stats4_3.4.2       httr_1.3.1         rlang_0.1.4
      lazyeval_0.2.1
[16] caret_6.0-77       readxl_1.0.0       kernlab_0.9-25     rpart_4.1-11
     Matrix_1.2-11
[21] splines_3.4.2      CVST_0.2-1         ddalpha_1.3.1      gower_0.1.2
      stringr_1.2.0
[26] foreign_0.8-69     munsell_0.4.3      broom_0.4.2
compiler_3.4.2     modelr_0.1.1
[31] pkgconfig_2.0.1    mnormt_1.5-5       dimRed_0.1.0       nnet_7.3-12
      prodlim_1.6.1
[36] DRR_0.0.2          codetools_0.2-15   RcppRoll_0.2.2     withr_2.1.0
      MASS_7.3-47
[41] recipes_0.1.0      ModelMetrics_1.1.0 grid_3.4.2         nlme_3.1-131
     jsonlite_1.5
[46] gtable_0.2.0       magrittr_1.5       scales_0.5.0
 stringi_1.1.5      reshape2_1.4.2
[51] bindrcpp_0.2       timeDate_3012.100  robustbase_0.92-8  xml2_1.1.1
     lava_1.5.1
[56] iterators_1.0.8    tools_3.4.2        forcats_0.2.0      glue_1.2.0
     DEoptimR_1.0-8
[61] sfsmisc_1.1-1      hms_0.3            parallel_3.4.2
 survival_2.41-3    yaml_2.1.14
[66] colorspace_1.3-2   rvest_0.3.2        bindr_0.1          haven_1.1.0


> conflicts(detail = TRUE)
$.GlobalEnv
[1] "iris"

$`package:dplyr`
 [1] "%>%"           "%>%"           "add_row"       "as_data_frame"
"as_tibble"     "data_frame"
 [7] "data_frame_"   "frame_data"    "glimpse"       "lst"
 "lst_"          "tbl_sum"
[13] "tibble"        "tribble"       "trunc_mat"     "type_sum"
"filter"        "lag"
[19] "intersect"     "setdiff"       "setequal"      "union"

$`package:purrr`
[1] "%>%" "%>%"

$`package:tidyr`
[1] "%>%" "%>%"

$`package:tibble`
 [1] "add_row"       "as_data_frame" "as_tibble"     "data_frame"
"data_frame_"   "frame_data"
 [7] "glimpse"       "lst"           "lst_"          "tbl_sum"
 "tibble"        "tribble"
[13] "trunc_mat"     "type_sum"

$`package:ggplot2`
[1] "Position"

$`package:stats`
[1] "filter" "lag"

$`package:datasets`
[1] "iris"

$`package:methods`
[1] "body<-"    "kronecker"

$`package:base`
[1] "body<-"    "intersect" "kronecker" "Position"  "setdiff"   "setequal"
"union"


How can I solve this problem?
Thanks.

--
Zeki Çatav
zekicatav.com

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