Working local targets pipeline

R/main.R

@@ -11,3 +11,7 @@ plot_data <- function(data) {
   	ggplot(aes(x = `Sepal.Width`, y = `Sepal.Length`, color = Species))	+
   	  geom_point()
 }
+
+export_plot <- function(plot) {
+  ggplot2::ggsave("plots/plot.png", plot)
+}

_targets.R

@@ -12,6 +12,7 @@ tar_option_set(
 
 list(
   tar_target(file, "data/data.csv", format = "file"),
-  tar_target(data, get_data(filed)),
-  tar_target(plot, plot_data(data))
+  tar_target(data, get_data(file)),
+  tar_target(plot, plot_data(data)),
+  tar_target(export, export_plot(plot))
 )

_targets/.gitignore

@@ -0,0 +1,11 @@
+# CAUTION: do not edit this file by hand!
+# _targets/objects/ may have large data files,
+# and _targets/meta/process may have sensitive information.
+# It is good pratice to either commit nothing from _targets/,
+# or if your data is not too sensitive,
+# commit only _targets/meta/meta.
+*
+!.gitignore
+!meta
+meta/*
+!meta/meta

_targets/meta/meta

@@ -0,0 +1,9 @@
+name|type|data|command|depend|seed|path|time|size|bytes|format|repository|iteration|parent|children|seconds|warnings|error
+data|stem|975696ea5c8d7bf2|14c0abc3329ce191|4c8c8546ffefb37d|33550471||t19867.9128718358s|89d13bbcff3b1d51|1232|rds|local|vector|||0.319||
+export|stem|84bb43f4a15f0d9f|82b15d549cefd17b|5a4c3ab08d884504|-2123215358||t19867.9142445209s|0f5cc5be67b9db73|64|rds|local|vector|||0.478||
+export_plot|function|962b0ae69b10eeca|||||||||||||||
+file|stem|3ec11d078589aaf5|b25e4d0f5477c1f8|2c530c1562a7fbd1|1735323524|data/data.csv|t19867.912712538s|7e1004ad40d43a29|3716|file|local|vector|||0.224||
+get_data|function|406c49a2fcda773f|||||||||||||||
+has_nix_path|object|988c41ba10911dc8|||||||||||||||
+plot|stem|0bb90efe5a0c022f|bb2b6020a1ac2396|1078f3156a3f5b4c|874984291||t19867.9128727617s|7c69e1904ff2923b|88322|rds|local|vector|||0.031||
+plot_data|function|ed4ff5dfb3e781d5|||||||||||||||

data/data.R

@@ -1,6 +1,7 @@
 library(readr)
+library(dplyr)
 library(here)
 
-data <- data(iris)
+data(iris)
 
-write_csv(data, here("data/data.csv"))
+write_csv(iris, here("data/data.csv"))

data/data.csv

@@ -0,0 +1,151 @@
+Sepal.Length,Sepal.Width,Petal.Length,Petal.Width,Species
+5.1,3.5,1.4,0.2,setosa
+4.9,3,1.4,0.2,setosa
+4.7,3.2,1.3,0.2,setosa
+4.6,3.1,1.5,0.2,setosa
+5,3.6,1.4,0.2,setosa
+5.4,3.9,1.7,0.4,setosa
+4.6,3.4,1.4,0.3,setosa
+5,3.4,1.5,0.2,setosa
+4.4,2.9,1.4,0.2,setosa
+4.9,3.1,1.5,0.1,setosa
+5.4,3.7,1.5,0.2,setosa
+4.8,3.4,1.6,0.2,setosa
+4.8,3,1.4,0.1,setosa
+4.3,3,1.1,0.1,setosa
+5.8,4,1.2,0.2,setosa
+5.7,4.4,1.5,0.4,setosa
+5.4,3.9,1.3,0.4,setosa
+5.1,3.5,1.4,0.3,setosa
+5.7,3.8,1.7,0.3,setosa
+5.1,3.8,1.5,0.3,setosa
+5.4,3.4,1.7,0.2,setosa
+5.1,3.7,1.5,0.4,setosa
+4.6,3.6,1,0.2,setosa
+5.1,3.3,1.7,0.5,setosa
+4.8,3.4,1.9,0.2,setosa
+5,3,1.6,0.2,setosa
+5,3.4,1.6,0.4,setosa
+5.2,3.5,1.5,0.2,setosa
+5.2,3.4,1.4,0.2,setosa
+4.7,3.2,1.6,0.2,setosa
+4.8,3.1,1.6,0.2,setosa
+5.4,3.4,1.5,0.4,setosa
+5.2,4.1,1.5,0.1,setosa
+5.5,4.2,1.4,0.2,setosa
+4.9,3.1,1.5,0.2,setosa
+5,3.2,1.2,0.2,setosa
+5.5,3.5,1.3,0.2,setosa
+4.9,3.6,1.4,0.1,setosa
+4.4,3,1.3,0.2,setosa
+5.1,3.4,1.5,0.2,setosa
+5,3.5,1.3,0.3,setosa
+4.5,2.3,1.3,0.3,setosa
+4.4,3.2,1.3,0.2,setosa
+5,3.5,1.6,0.6,setosa
+5.1,3.8,1.9,0.4,setosa
+4.8,3,1.4,0.3,setosa
+5.1,3.8,1.6,0.2,setosa
+4.6,3.2,1.4,0.2,setosa
+5.3,3.7,1.5,0.2,setosa
+5,3.3,1.4,0.2,setosa
+7,3.2,4.7,1.4,versicolor
+6.4,3.2,4.5,1.5,versicolor
+6.9,3.1,4.9,1.5,versicolor
+5.5,2.3,4,1.3,versicolor
+6.5,2.8,4.6,1.5,versicolor
+5.7,2.8,4.5,1.3,versicolor
+6.3,3.3,4.7,1.6,versicolor
+4.9,2.4,3.3,1,versicolor
+6.6,2.9,4.6,1.3,versicolor
+5.2,2.7,3.9,1.4,versicolor
+5,2,3.5,1,versicolor
+5.9,3,4.2,1.5,versicolor
+6,2.2,4,1,versicolor
+6.1,2.9,4.7,1.4,versicolor
+5.6,2.9,3.6,1.3,versicolor
+6.7,3.1,4.4,1.4,versicolor
+5.6,3,4.5,1.5,versicolor
+5.8,2.7,4.1,1,versicolor
+6.2,2.2,4.5,1.5,versicolor
+5.6,2.5,3.9,1.1,versicolor
+5.9,3.2,4.8,1.8,versicolor
+6.1,2.8,4,1.3,versicolor
+6.3,2.5,4.9,1.5,versicolor
+6.1,2.8,4.7,1.2,versicolor
+6.4,2.9,4.3,1.3,versicolor
+6.6,3,4.4,1.4,versicolor
+6.8,2.8,4.8,1.4,versicolor
+6.7,3,5,1.7,versicolor
+6,2.9,4.5,1.5,versicolor
+5.7,2.6,3.5,1,versicolor
+5.5,2.4,3.8,1.1,versicolor
+5.5,2.4,3.7,1,versicolor
+5.8,2.7,3.9,1.2,versicolor
+6,2.7,5.1,1.6,versicolor
+5.4,3,4.5,1.5,versicolor
+6,3.4,4.5,1.6,versicolor
+6.7,3.1,4.7,1.5,versicolor
+6.3,2.3,4.4,1.3,versicolor
+5.6,3,4.1,1.3,versicolor
+5.5,2.5,4,1.3,versicolor
+5.5,2.6,4.4,1.2,versicolor
+6.1,3,4.6,1.4,versicolor
+5.8,2.6,4,1.2,versicolor
+5,2.3,3.3,1,versicolor
+5.6,2.7,4.2,1.3,versicolor
+5.7,3,4.2,1.2,versicolor
+5.7,2.9,4.2,1.3,versicolor
+6.2,2.9,4.3,1.3,versicolor
+5.1,2.5,3,1.1,versicolor
+5.7,2.8,4.1,1.3,versicolor
+6.3,3.3,6,2.5,virginica
+5.8,2.7,5.1,1.9,virginica
+7.1,3,5.9,2.1,virginica
+6.3,2.9,5.6,1.8,virginica
+6.5,3,5.8,2.2,virginica
+7.6,3,6.6,2.1,virginica
+4.9,2.5,4.5,1.7,virginica
+7.3,2.9,6.3,1.8,virginica
+6.7,2.5,5.8,1.8,virginica
+7.2,3.6,6.1,2.5,virginica
+6.5,3.2,5.1,2,virginica
+6.4,2.7,5.3,1.9,virginica
+6.8,3,5.5,2.1,virginica
+5.7,2.5,5,2,virginica
+5.8,2.8,5.1,2.4,virginica
+6.4,3.2,5.3,2.3,virginica
+6.5,3,5.5,1.8,virginica
+7.7,3.8,6.7,2.2,virginica
+7.7,2.6,6.9,2.3,virginica
+6,2.2,5,1.5,virginica
+6.9,3.2,5.7,2.3,virginica
+5.6,2.8,4.9,2,virginica
+7.7,2.8,6.7,2,virginica
+6.3,2.7,4.9,1.8,virginica
+6.7,3.3,5.7,2.1,virginica
+7.2,3.2,6,1.8,virginica
+6.2,2.8,4.8,1.8,virginica
+6.1,3,4.9,1.8,virginica
+6.4,2.8,5.6,2.1,virginica
+7.2,3,5.8,1.6,virginica
+7.4,2.8,6.1,1.9,virginica
+7.9,3.8,6.4,2,virginica
+6.4,2.8,5.6,2.2,virginica
+6.3,2.8,5.1,1.5,virginica
+6.1,2.6,5.6,1.4,virginica
+7.7,3,6.1,2.3,virginica
+6.3,3.4,5.6,2.4,virginica
+6.4,3.1,5.5,1.8,virginica
+6,3,4.8,1.8,virginica
+6.9,3.1,5.4,2.1,virginica
+6.7,3.1,5.6,2.4,virginica
+6.9,3.1,5.1,2.3,virginica
+5.8,2.7,5.1,1.9,virginica
+6.8,3.2,5.9,2.3,virginica
+6.7,3.3,5.7,2.5,virginica
+6.7,3,5.2,2.3,virginica
+6.3,2.5,5,1.9,virginica
+6.5,3,5.2,2,virginica
+6.2,3.4,5.4,2.3,virginica
+5.9,3,5.1,1.8,virginica

default.nix

@@ -3,7 +3,9 @@
 # >rix(r_ver = "https://github.com/NixOS/nixpkgs/archive/3305b2b25e4ae4baee872346eae133cf6f611783.tar.gz",
 #  > r_pkgs = c("targets",
 #  > "dplyr",
-#  > "ggplot2"),
+#  > "ggplot2",
+#  > "readr",
+#  > "here"),
 #  > system_pkgs = NULL,
 #  > git_pkgs = NULL,
 #  > project_path = ".",
@@ -15,7 +17,7 @@
 let
  pkgs = import (fetchTarball "https://github.com/NixOS/nixpkgs/archive/3305b2b25e4ae4baee872346eae133cf6f611783.tar.gz") {};
  rpkgs = builtins.attrValues {
-  inherit (pkgs.rPackages) targets dplyr ggplot2;
+  inherit (pkgs.rPackages) targets dplyr ggplot2 readr here;
 };
    system_packages = builtins.attrValues {
   inherit (pkgs) R glibcLocales nix;

demo-nix-targets.Rproj

@@ -5,9 +5,13 @@ SaveWorkspace: No
 AlwaysSaveHistory: Default
 
 EnableCodeIndexing: Yes
+UseSpacesForTab: Yes
+NumSpacesForTab: 2
 Encoding: UTF-8
 
+RnwWeave: knitr
+LaTeX: pdfLaTeX
+
 AutoAppendNewline: Yes
 StripTrailingWhitespace: Yes
 LineEndingConversion: Posix
-