| combo | Data set combination and manipulation for use in HEI scoring. | 
| get_demo | NHANES demographic data retrieval. | 
| get_diet | NHANES dietary data retrieval. | 
| get_fped | FPED data retrieval. | 
| hei | Individual HEI scores calculation. | 
| leg_all | allocate legumes for HEI scoring | 
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