A data frame is a list of equal-length vectors. 1  typeof() of a data.frame gives a list. 2  A data.frame has the properties from both matrix and list, for example, it has names(), nrow(), and ncol(), etc. also it has length(), which is the same as the length as underlying list. You can subsetting a data.frame as you subset a matrix or in the way for list. For more comprehensive introduction see here: Page on had.co.nz.
Tummy Tuck Scar Treatment. Diagnosis: If the tummy tuck scar is flat and discolored only our scar cream is required. If scarring is raised and/or indented silicone sheeting is required. For maximum results we recommend our discounted scar kits that combine silicone sheeting and scar cream for the treatment of the scarring.
A tummy tuck â or abdominoplasty â is a surgical procedure that takes away excess loose skin and tightens the muscles up. It can even remove stretch marks. The result is a slimmer, firmer tummy that youâll be happy to show off with confidence.