| 摘要 |
PROBLEM TO BE SOLVED: To simplify operations for performing statistical analysis in order to compare pieces of imaging mass analysis data obtained, respectively from a plurality of samples and to raise accuracy of the analysis.SOLUTION: When spatial measurement point intervals of pieces of imaging mass analysis data of two samples which are desired to be compared with each other are different from each other, and size of expansion of spatial distribution of a substance is also desired to be compared with each other, measurement point intervals of one piece of data are redefined so as to align the measurement point intervals on the basis of the other piece of data, and a mass spectrum at a virtual measurement point set by redefinition is calculated by interpolation or extrapolation based on the mass spectrum at an actual measurement point (S7). When m/z value arrays of the mass spectrum are different from each other for every sample, on the basis of a position of an m/z value of the mass spectrum of one piece of data, an intensity value at a reference m/z value is calculated by the interpolation or the extrapolation for the mass spectrum of the other piece of data (S8). Data integration becomes possible by aligning the measurement point intervals, and the m/z value arrays in this way, and processing such as peak matrix creation for statistical analysis can be simply performed by handling the pieces of data as one piece of imaging mass analysis data. |
