[R] How am i able to create Box plots of a factor (weight) separated by other factors (breed)?

[Rich Shepard]

On Sun, 15 Mar 2015, Lyle Warren wrote:

>> I have data with columns for animal ID, breed, and weight.
>> I'd like to create a box plot of weight, separated by breed (there are 4
>> breeds).

>> Any ideas?

   1. Did you check the help page: ?boxplot

>> Here's a sample of the data (there are 100 rows):
>>
>> id      weight  breed
>> 1       453     brahman
>> 2       527     brahman
>> 3       520     brahman
>> 4       460     brahman
>> 5       496     brahman
>> 6       461     brahman
>> 7       519     brahman
>> 8       472     brahman
>> 9       531     brahman
>> 10      473     brahman
>> 11      509     brahman
>> 12      503     brahman

   B. Perhaps something like this?

   boxplot(weight ~ breed)

   Look at the use of a formula when plotting.

   If I misread your intent I apologize.

HTH,

Rich