nt out the similarities and differences between Principal Components Analysis xploratory Factor Analysis (EFA). Find two datasets of interest or in your d that can be analyzed by PCA and EFA, respectively. Please provide the reason conclusion (or expected conclusion) based on these models. diagram of a structural equation model is presented in the following figure Concentration of So, Concentration of NO, Air pollution Concentration of PM2.5 Concentration of O Concentration of co Cancer morbidity Healthy problem (caused by pollution) chronic diseases morbidity Ammonia Nitrogen Plumbum Water pollution Waste pollution Traffic noise pollution Petroleum e write down the explicit form of the model based on the path diagram. to set the Latent Variables' Scale? And please list the fixed and unknown meters in model. Please count the number of the unknown parameters and own parameters, will this model identified? linal regression ? = ?+ ?? + E late the slope ? based on the standard deviation of? and ?: ?,, ?, and the f? and