PCA, in contrast,does not take into account any difference in class, and factor analysis builds the feature combinations based on differences rather than similarities.
Psychologists have used methods such as factor analysis to attempt to map emotion-related responses onto a more limited number of dimensions.
LDA也与主成分分析(PCA)和因子分析紧密相关,它们都在寻找最佳解释数据的变量线性组合。
LDA is alsoclosely related to principal component analysis(PCA) and factor analysis in that they both look for linear combinations of variables which best explain the data.
语义差异使用因子分析来确定单词的主要含义,发现单词的价值或“善”是第一因素。
The semantic differential used factor analysis to determine the main meanings of words, finding that value or"goodness" of words is the first factor..
Factor analysis can produce similar components(the columns of its loading matrix) to PCA.
各种降维技术包括多维缩放和因子分析,最初是在心理测量学研究的背景下开发的。
Various dimensionality reduction techniques including multi-dimensional scaling and factor analysis, were originally developed in the context of psychometrics research.
我们对中产阶级和下层阶级的调查对象就这两个问题给出的答案进行了因子分析。
We ran a factor analysis of the responses given by both middle- and lower-class respondents to the two questions.
此外,主成分分析(PCA)通常通常与因子分析相关。
Furthermore, Principal Component Analysis(PCA)is often usually associated with factor analysis.
总体上,原有变量的信息丢失较少,因子分析效果较理想。
Overall, the original variableinformation loss is less so the factor analysis results are reasonable.
我们对两个阶级就这两个问题给出的回答进行了因子分析。
A factor analysis was conducted of the responses to these two questions by both classes.
而当KMO统计量在0.5以下时,不适合应用因子分析法。
When the KMO statistic is below 0.5, factor analysis is not suitable at this time.
这两组问题首先应用于198名本科生,然后进行因子分析。
These two sets of questions werefirst administered to 198 undergraduate students and a factor analysis was then conducted.
一些多元分析,如因子分析和多元方差分析,假定数据服从多元正态分布。
Some multivariate analyses, such as factor analysis and MANOVA, assume that the data follow a multivariate normal distribution.
The main advantage for Factor Analysis over PCA is that it can model the variance in every direction of the input space independently(heteroscedastic noise).
因子分析(PCA)的主要优点是可以独立地对输入空间的每个方向(异方差噪声)的方差进行建模.
The main advantage for Factor Analysis over PCA is that it can model the variance in every direction of the input space independently(heteroscedastic noise).
就信息风险因子分析(FAIR)模型而言,风险是未来损失的可能程度和可能频率。
According to Factor Analysis of Information Risk(FAIR), risk is the probable frequency and probable magnitude of future loss.
因子分析的主要应用有两个方面:1是减少分析变量个数;.
The main application of factor analytic techniques are: 1. to reduce the number of variables and 2.
Several widely used techniques are examples of linear-Gaussian models,such as probabilistic principal component analysis,factor analysis, and linear dynamical systems(Roweis and Ghahramani, 1999).
Tanagra contains some supervised learning butalso other paradigms such as clustering, factorial analysis, parametric and non-parametric statistics, association rule, feature selection and construction algorithms.
但是,因子分析结果还是具有较大主观性。
The analysis of the results is much more subjective.
使用验证性因子分析对6个竞争性模型进行检验。
A confirmatory factor analysis was used to examine six competing structural models.
在经典的因子分析中,你可以尝试依据一组隐藏因子来解释每部电影及用户。
In classical factor analysis, you could then try to explain each movie and user in terms of a set of latent factors..
下面是一个简单因子分析的输出的例子,其中包括财富指标,只有六个变量和两个因素。
Here is an example of the output of a simple factor analysis looking at indicators of wealth, with just six variables and two resulting factors..
Then, using a statistical technique known as factor analysis, he identified closely related terms and eventually reduced his list to just 16 key personality traits.
One of the standard methods for assessing personality is to analyze people's answers to a100-item questionnaire with a statistical technique called factor analysis.
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