Object not detected in R [closed]

by

There are two ways:

1) Attaching the data:

attach(data1)

And then this code should work:

cor(V1, V2)

2) Using $ for accesing columns in a dataframe

cor(data1$V1, data1$V2)

More Related Contents:

  1. Select the first row by group
  2. How does one reorder columns in a data frame?
  3. Split violin plot with ggplot2
  4. Add correct century to dates with year provided as “Year without century”, %y
  5. Replace missing values with column mean
  6. Find how many times duplicated rows repeat in R data frame [duplicate]
  7. How to create an R function programmatically?
  8. Don’t drop zero count: dodged barplot
  9. How to filter a data frame
  10. How to center stacked percent barchart labels
  11. How to assign the result of the previous expression to a variable?
  12. Why does unlist() kill dates in R?
  13. how to insert new line in R shiny string
  14. R Error in x$ed : $ operator is invalid for atomic vectors
  15. Use different center than the prime meridian in plotting a world map
  16. Rtools is not being detected from RStudio
  17. multiple graphs in one canvas using ggplot2
  18. Getting a stacked area plot in R
  19. Error in plot.window(…) : need finite ‘xlim’ values
  20. multithreading with R?
  21. How does cut with breaks work in R
  22. Subsetting data.table by 2nd column only of a 2 column key, using binary search not vector scan
  23. How to fit a smooth curve to my data in R?
  24. Force ggplot legend to show all categories when no values are present [duplicate]
  25. Greek letters, symbols, and line breaks inside a ggplot legend label
  26. How to listen for more than one event expression within a Shiny observeEvent
  27. Why I get this error writing data to a file
  28. Shiny renderUI selectInput returned NULL
  29. Efficient calculation of matrix cumulative standard deviation in r
  30. Color points with the color as a column in ggplot2 [duplicate]

Leave a Comment