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.
aleukemic leukemia leukemia in which the leukocyte count is normal or below normal; it may be lymphocytic, monocytic, or myelocytic. basophilic leukemia a rare type of leukemia in which basophils predominate; both acute and chronic varieties have been observed. blast cell leukemia acute undifferentiated leukemia.