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- _D_r_o_p _R_e_d_u_n_d_a_n_t _E_x_t_e_n_t _I_n_f_o_r_m_a_t_i_o_n
-
- drop(x)
-
- _V_a_l_u_e:
-
- If x is an object with a dim attribute (e.g. a matrix
- or array), then drop, returns an object like x, but
- with any extents of length one removed. Any accompany-
- ing dimnames attribute is adjusted and returned with x.
-
- Array subsetting typically performs this reduction, but
- sometimes it is useful to invoke drop directly.
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-