R will automatically preserve observations as you manipulate variables. R displays only the data that fits onscreen: Source: local data frame Each observation is saved in its own row Tidy data complements R’s vectorized operations. tbl’s are easier to examine than data frames.
It's been pretty steady going so far, although I had a bit of difficulty converting an instruction using ddply which carried out a function based on a subgrouping within the data. This provides more useful printing of data frames in the console. Above, I called the tbl_df() function on our data.
Data frames look a bit different in dplyr.
These verbs make up the majority of the data manipulation you tend to do.
