CHROMATIC DATA PROCESSING DEVICE, METHOD, AND PROGRAM
Disclosed is a chromatographic data processing device to easily obtain peak characteristic points in a short period of time with less susceptibility to noise. The chromatographic data processing device includes a partial regression curve calculation unit configured to obtain a partial regression curve for each of a plurality of data groups in which a predetermined number of measured time-series data are combined, a partial characteristic point acquisition unit configured to obtain a partial characteristic point for each of the obtained partial regression curves, and a peak characteristic point acquisition unit configured to obtain a peak characteristic point in the measured time-series data pieces on the basis of the partial characteristic points.
1 . A chromatographic data processing device that performs data processing based on plot data measured with a chromatograph, the chromatographic data processing device comprising:
a partial regression curve calculation unit configured to obtain, respectively, partial regression curves for a plurality of data groups where a predetermined number of measured time-series data are combined;
a partial characteristic point acquisition unit configured to obtain a partial characteristic point for each of the obtained partial regression curves; and
a peak characteristic point acquisition unit configured to obtain a peak characteristic point in measured time-series data, based on the partial characteristic points.
2 . The chromatographic data processing device according to claim 1 , wherein the regression curves are any one of second- or higher-order function curves and Gaussian curves.
3 . The chromatographic data processing device of claim 2 , wherein the plurality of data groups are data groups that are not aligned with one another on a time axis.
4 . The chromatographic data processing device according to claim 3 , wherein the partial characteristic point is at least one of a local maximum point and a local minimum point.
5 . The chromatographic data processing device according to claim 2 , wherein the peak characteristic point is any of a peak apex, a peak start point, and a peak end point.
6 . A chromatograph comprising:
a chromatography unit configured to separate and measure a component contained in a sample; and
the chromatographic data processing device according to claim 1 .
7 . A chromatographic data processing method that performs data processing based on plot data measured with a chromatograph, the chromatographic data processing method comprising:
a partial regression curve calculation step of obtaining, respectively, a partial regression curves for a plurality of data groups where a predetermined number of measured time-series data are combined;
a partial characteristic point acquisition step of obtaining a partial characteristic point for each of the obtained partial regression curves; and
a peak characteristic point acquisition step of obtaining a peak characteristic point in measured time-series data, based on the partial characteristic points.
8 . A chromatographic data processing method that performs data processing based on plot data measured with a chromatograph, the chromatographic data processing device comprising:
a partial regression curve calculation unit configured to obtain, respectively, partial regression curves for a plurality of data groups where a predetermined number of measured time-series data are combined;
a partial curve comparison unit configured to compare the respectively obtained partial regression curves with one another; and
an integrated regression curve acquisition unit configured to obtain a regression curve broader than each of the partial regression curves from the measured time-series data based on the comparison results.
9 . A chromatographic data processing device that performs data processing based on plot data measured with chromatograph, the chromatographic data processing device comprising:
a partial regression curve calculation unit configured to obtain, respectively, partial regression curves for a plurality of data groups where a predetermined number of measured time-series data are combined;
a partial curve comparison unit configured to compare the respectively obtained partial regression curves with the time-series data; and
an integrated regression curve acquisition unit configured to obtain a regression curve broader than each of the partial regression curve from the measured time-series data based on the comparison results.