R is one of the few language that popularize data frame. Out of SAS, R, and Python or even C++ and Java. Data frame are native. So personally, the syntax espe

R is one of the few language that popularize data frame. Out of SAS, R, and Python or even C++ and Java. Data frame are native. So personally, the syntax especially for data frame is beautiful compares to python. Python don't even have missing value built in or subsetting data frame.