_V_a_l_u_e _M_a_t_c_h_i_n_g
	
	     match(x, table, nomatch=NA)
	
	_A_r_g_u_m_e_n_t_s:
	
	           x : the values to be matched.
	
	       table : the values to be matched against.
	
	     nomatch : the value to be returned in the case when no
	               match is found.
	
	_D_e_s_c_r_i_p_t_i_o_n:
	
	     If x[i] is found to equal table[j] then the value
	     returned in the i-th position of the return value is j.
	     If no match is found, the value is nomatch.