Employment Data Screening and Destination Prediction of College Students Based on Deep Learning

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Abstract

This paper takes the data of a university graduate as the research object. By consulting various literatures and literature analyses, we can understand the impact of students’ academic performance, English level, and other activities on students’ employment development and select data on this basis. The collected data is cleaned, integrated, and transformed to form a standard data set. The factors affecting graduates’ employment are complex and diverse, with high data feature dimensions, sparse links between features, complex and diverse attributes, and both discrete and continuous features. According to the characteristics of college students’ employment data, this paper uses the deep-seated neural network with strong learning ability and adaptability to predict college students’ employment, so as to provide guidance for college students’ employment. Firstly, based on deep learning and Feedforward Neural Network technology, a prediction model of college students’ employment destination with six influencing factors is established, and the prediction accuracy of the model is evaluated. The ACC value and loss value are used as indicators to test whether the prediction effect of the prediction model is good. The results show that the prediction effect of the model is worthy of further research and optimization. Finally, combined with the actual data of graduates, the practical application of the prediction model is analyzed. Compared with the traditional machine learning algorithm, the effectiveness of the algorithm is verified.

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Is Open Access

A comparison of deep networks with ReLU activation function and linear spline-type methods

Konstantin Eckle, Johannes Schmidt-Hieber (2018)

Deep neural networks (DNNs) generate much richer function spaces than shallow networks. Since the function spaces induced by shallow networks have several approximation theoretic drawbacks, this explains, however, not necessarily the success of deep networks. In this article we take another route by comparing the expressive power of DNNs with ReLU activation function to linear spline methods. We show that MARS (multivariate adaptive regression splines) is improper learnable by DNNs in the sense that for any given function that can be expressed as a function in MARS with M parameters there exists a multilayer neural network with O(Mlog(M∕ε)) parameters that approximates this function up to sup-norm error ε. We show a similar result for expansions with respect to the Faber-Schauder system. Based on this, we derive risk comparison inequalities that bound the statistical risk of fitting a neural network by the statistical risk of spline-based methods. This shows that deep networks perform better or only slightly worse than the considered spline methods. We provide a constructive proof for the function approximations.