battery lasts 即离散变量是一群数出来的数,而连续变量是一群来源于测量的数,来源不同。 qualitative variables, also called categorical variables:定性变量(不能计算的变量) Each individual piece of data is called an observation, and the collection of all observations for a particular variable is called a...
qualitative variable A variable which is not measurable on a continuum or represented in a quantitative relation to a scale—e.g., race, sex. Qualitative variables fit into discrete categories based on their attributes. Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved. ...
The kind of variable (qualitative or quantitative). The reference class (the overall class of all those things for which a variable makes sense, such as calories for food or color for hair). The procedure used to make the measurement. ...
Transform a quantitative variable into a qualitative variable
A moderator refers to “a qualitative (e.g., gender, race, class) or quantitative (e.g., level of reward) variable that affects the direction and/or strength of the relation between an independent or predictor variable and a dependent or criterion variable” (Baron & Kenny, 1986). ...
Objective: To assess quantitative and qualitative differences in water components between normal bone marrow and reactive hematopoietic marrow in aplastic anemia using magnetic resonance (MR) spectroscopy with variable echo times (TEs). Design: Water content, T2 value of the water component, and signal...
Qualitative (or categorical) variables are discrete; that is, a measurement consists of assigning an observation to one or more categories. The attributes of the variable consist of the finite set of potential categories. The set of categories must be mutually exclusive and collectively exhaustive. ...
Is this variable quantitative or qualitative? b. Is this variable ordinal, nominal, or neither? 20. One column of a large inventory spreadsheet shows the name of the company that sold you each part. a. Is this variable quantitative or qualitative? b. Is this variable ordinal, nominal, or ...
[symbologie] Ensemble de paramètres d’un symbole de moteur de rendu qui peut être modifié afin de fournir des informations qualitatives ou quantitatives au lecteur de la carte. Les paramètres des variables visuelles sont notamment les paramètres de couleur (teinte, valeur, saturation),...
1) quantitative and qualitative variable system 定性与定量变量系统1. Based on the fuzzy quantitative theory, a practical method in the high-test quantitative and combined with the quantitative and qualitative variable system has been proposed in this paper. 在研究模糊数量化理论的基础上 ,力图找到...