title: How to deal with: Error: could not find function "read_csv"
body: <p>I installed the package <code>readr</code> and tried to upload a <code>.csv</code> file in Rstudio.
  When I try to load this package I get the following error:</p>
  
  <pre><code>&gt; library(readr)
  Error in loadNamespace(j &lt;- i[[1L]], c(lib.loc, .libPaths()), 
  versionCheck   = vI[[j]]) : there is no package called ‘hms’ In addition:
  Warning message: Paket ‘readr’ wurde unter R Version 3.2.5 erstellt 
  Error: Laden von Paket oder Namensraum für ‘readr’ fehlgeschlagen
  </code></pre>
  
  <p>When I try to upload the <code>.csv</code> file in R I get the error:</p>
  
  <pre><code>&gt; dataX&lt;-read_csv("file.csv")
   Error: could not find function "read_csv"
  </code></pre>
  
  <p>The result of  <code>sessionInfo()</code> is:</p>
  
  <pre><code>&gt; sessionInfo()
  R version 3.2.2 (2015-08-14)
  Platform: x86_64-w64-mingw32/x64 (64-bit)
  Running under: Windows 7 x64 (build 7601) Service Pack 1
  
  locale:
  [1] LC_COLLATE=German_Germany.1252  LC_CTYPE=German_Germany.1252   
  [3] LC_MONETARY=German_Germany.1252 LC_NUMERIC=C                   
  [5] LC_TIME=German_Germany.1252    
  
  attached base packages:
  [1] stats     graphics  grDevices utils     datasets  methods   base     
  
   loaded via a namespace (and not attached):
   [1] colorspace_1.3-2 scales_0.4.1     R6_2.2.2   lazyeval_0.2.0            plyr_1.8.4      
   [6] tools_3.2.2      gtable_0.2.0     tibble_1.3.0     Rcpp_0.12.10      ggplot2_2.2.1   
   [11] grid_3.2.2       munsell_0.4.3   
  </code></pre>
  
  <p>I will appreciate your help. Thanks.</p>