objid | tch_fld_inf | objid | Internal record number of tch_fld_inf | 3 (UNIQUE) |
ds_objid | data_set | objid | Internal record number of data_set | |
gen_objid | ds_param_st | objid | Internal record number of ds_param_st | |
is_base_class | tch_fld_inf | is_base_class | Indicates whether it is base class; 1=Yes, 0=No; default=0 | |
ratio | tch_fld_inf | ratio | The ratio of the population of the class (usually 1, because the ratio between the base class to non base class is 1:1) | |
max_available_size | tch_fld_inf | max_rec | Maximal records number | |
value | tch_fld_inf | value | Value of teaching field | |
limit_size | ds_param_st | limit_size | The max records number (for unbiased sampling) | |