stratified random samplingとは 意味・読み方・使い方

a stratified random sampling method in statistics, called 'so-betsunin inukitori'発音を聞く 例文帳に追加

層別任意抜き取りという,統計における標本抽出法 - EDR日英対訳辞書

The subject of the survey were every Claims stored in the National Database of Health Insurance Claim Information and Specified Medical Checkups (hereinafter "NDB"). Claims of dental hospitals, medical clinics and dental clinics (hereinafter "insured medical care institutions covered" were extracted using a two-stage stratified random sampling with insured medical care institutions covered as the primary sampling unit out of the whole例文帳に追加

調査の客体は、医科病院の診療報酬明細書及び調剤報酬明細書は、レセプト情報・特定健診等データベース（以下「ＮＤＢ」という。）に蓄積されている全ての診療報酬明細書及び調剤報酬明細書とした。 - 厚生労働省

Claims of dental hospitals, medical clinics and dental clinics (hereinafter "insured medical care institutions covered" were extracted using a two-stage stratified random sampling with insured medical care institutions covered as the primary sampling unit out of the whole insured medical care institutions and Claims as the secondary sampling unit.例文帳に追加

歯科病院、医科診療所及び歯科診療所（以下「調査対象保険医療機関」という。）の診療報酬明細書は、第一次抽出単位を全国保険医療機関のうち調査対象保険医療機関、第二次抽出単位を診療報酬明細書とする層化無作為二段抽出法によって抽出された診療報酬明細書とした。 - 厚生労働省