Display Screen or Portion Thereof with Graphical User Interface of Analytical Data Analyzer

FIG. 1 is a front view of a display screen or portion thereof with graphical user interface of analytical data analyzer showing a first embodiment of our new design; and, FIG. 2 is a front view of a display screen or portion thereof with graphical user interface of analytical data analyzer showing a second embodiment of our new design. The dashed broken line at the periphery of the figures illustrates a display screen or portion thereof and forms no part of the claimed design. The dot-dash broken lines represent the boundary of the design and forms no part of the claimed design. The other dashed broken lines outside the rectangular dot-dash line boundary show portions of the graphical user interface that form no part of the claimed design.