2
0
Intermediate R functions and design patterns
0.06MB. 0 audio & 1 images. Updated 2015-08-25.
The author has shared 4 other
item(s).
Description
Sample (from 51 notes)
Cards are customizable!
When this deck is imported into the desktop program, cards will appear
as
the deck author has made them. If you'd like to customize what appears
on
the front and back of a card, you can do so by clicking the Edit
button, and
then clicking the Cards button.
| Front | In R, what is the function of cut(a, b, c)? |
| Back | creates a factor variable, where a) the first argument a is an input vector,b) the second argument b is the number of breakpoints, c) the third argument is a character vector specifying the lables > factor is aka categorical > nb, any number below the first or above the last breakpoint is coded as an NA |
| Tags | RINTRO |
| Front | In R, what is the difference between these two lm regression models? why?a) y ~ xb) y ~ 1 + x |
| Back | nothing; 1 corresponds to the intercept which is assumed in (a), so they are both of the form y = mx + b> trick q> http://stackoverflow.com/questions/13366755/what-does-the-r-formula-y1-mean |
| Tags |
| Front | In R, how do you reverse a string x? |
| Back | via rev(x) |
| Tags |
After the file is downloaded, double-click on it to open it in the desktop program.
At this time, it is not possible to add shared decks directly to your AnkiWeb account - they need to be added from the desktop then synchronized to AnkiWeb.