Description. Return the matrix obtained by converting all the variables in a data frame to numeric mode and then binding them together as the columns of a matrix. Factors and ordered factors are replaced by their internal codes.
There are four main types of leukemia â acute lymphoblastic leukemia (ALL), acute myeloid leukemia (AML), chronic lymphocytic leukemia (CLL) and chronic myeloid leukemia (CML) â as well as a number of less common types.here are four main types of leukemia â acute lymphoblastic leukemia (ALL), acute myeloid leukemia (AML), chronic lymphocytic leukemia (CLL) and chronic myeloid leukemia (CML) â as well as a number of less common types.
Leukemia: Types list. The list of types of Leukemia mentioned in various sources includes: Subtype by progression: Acute leukemia - gets worse quickly. Chronic leukemia - gets worse more slowly. Type of cell affected: Lymphocytic leukemia - affecting lymphoid cells. Myelogenous leukemia - affecting myeloid cells.