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In statistics, principal component regression (PCR) is a regression analysis technique that is based on principal component analysis (PCA). PCR is a form of reduced rank regression. [1] More specifically, PCR is used for estimating the unknown regression coefficients in a standard linear regression model.
Multilinear principal component analysis (MPCA) is a multilinear extension of principal component analysis (PCA) that is used to analyze M-way arrays, also informally referred to as "data tensors". M-way arrays may be modeled by linear tensor models, such as CANDECOMP/Parafac, or by multilinear tensor models, such as multilinear principal ...
Principal component analysis (PCA) is a linear dimensionality reduction technique with applications in exploratory data analysis, visualization and data preprocessing.. The data is linearly transformed onto a new coordinate system such that the directions (principal components) capturing the largest variation in the data can be easily identified.
The E-agriculture in Action series of publications, by FAO-ITU, that provides guidance on emerging technologies and how it could be used to address some of the challenges in agriculture through documenting case studies. E-agriculture in Action: Big Data for Agriculture [22] E-agriculture in Action: Blockchain for Agriculture [23]
National Agricultural Research Centre is the largest research establishment under PARC in Islamabad. The Director General in charge is Dr. Shahzad Asad. In 2019, Pakistan was able to produce 20 new high-yielding, disease resistant and climate change-resilient wheat and maize (also called corn) varieties.
In October 2019, World Food Day was observed at an event at the National Agricultural Research Centre (NARC) in Islamabad. This event was organized by the United Nations Food & Agriculture Organization , Pakistan's Ministry of National Food Security and Research , Pakistan Agricultural Research Council (PARC) and the World Food Programme (WFP).
The 2014 guaranteed algorithm for the robust PCA problem (with the input matrix being = +) is an alternating minimization type algorithm. [12] The computational complexity is () where the input is the superposition of a low-rank (of rank ) and a sparse matrix of dimension and is the desired accuracy of the recovered solution, i.e., ‖ ^ ‖ where is the true low-rank component and ^ is the ...
The commissions advocated for the establishment of an agricultural university for research and education. This resulted in the upgrade of the former Punjab Agricultural College and Research Institute in 1961. [1] [7] [8] This had been the first university established by the British Empire. [1]