Convert a dataframe to a vector (by rows)

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You can try as.vector(t(test)). Please note that, if you want to do it by columns you should use unlist(test).

More Related Contents:

  1. Reshaping data.frame from wide to long format
  2. How to sum a variable by group
  3. How do I make a list of data frames?
  4. Aggregate / summarize multiple variables per group (e.g. sum, mean)
  5. Sort (order) data frame rows by multiple columns
  6. Split data frame string column into multiple columns
  7. Select the row with the maximum value in each group
  8. Filter data.frame rows by a logical condition
  9. Quickly reading very large tables as dataframes
  10. R memory management / cannot allocate vector of size n Mb
  11. Subset data frame based on number of rows per group
  12. Combine two data frames by rows (rbind) when they have different sets of columns
  13. Counting unique / distinct values by group in a data frame
  14. Pass a data.frame column name to a function
  15. Drop data frame columns by name
  16. How to find common elements from multiple vectors?
  17. How to convert a list consisting of vector of different lengths to a usable data frame in R?
  18. Sample random rows in dataframe
  19. Extracting specific columns from a data frame
  20. Subset / filter rows in a data frame based on a condition in a column
  21. How does one reorder columns in a data frame?
  22. Convert data.frame column format from character to factor
  23. Combine two or more columns in a dataframe into a new column with a new name
  24. Finding All Positions for Multiple Elements in a Vector
  25. Convert data.frame column to a vector?
  26. Converting two columns of a data frame to a named vector
  27. List distinct values in a vector in R
  28. Unlist a data frame by rows, not columns
  29. Should I use a data.frame or a matrix?
  30. Convert list to data frame while keeping list-element names

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