Visual Analysis of Multisource Heterogeneous Data Based on Improved DPCA Algorithm

<div>The risk assessment analysis view. (a) Improved word cloud (low-frequency displayed firstly); (b) line chart of logon error count; (c) parallel coordinate chart of server logon; (d) parallel coordinate chart of board divulge.</div>

Mathematical Problems in Engineering

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Figure 7

Figure 7: Visual Analysis of Multisource Heterogeneous Data Based on Improved DPCA Algorithm 