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| MasstraceCorrelator () |
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| ~MasstraceCorrelator () override |
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void | createPseudoSpectra (const ConsensusMap &map, MSExperiment &pseudo_spectra, Size min_peak_nr, double min_correlation, int max_lag, double max_rt_apex_difference) |
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void | scoreHullpoints (const MasstracePointsType &hull_points1, const MasstracePointsType &hull_points2, int &lag, double &lag_intensity, double &pearson_score, const double min_corr, const int max_lag, const double mindiff=0.1) |
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void | createConsensusMapCache (const ConsensusMap &map, std::vector< MasstracePointsType > &feature_points, std::vector< std::pair< double, double > > &max_intensities, std::vector< double > &rt_cache) |
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Public Member Functions inherited from DefaultParamHandler |
| DefaultParamHandler (const String &name) |
| Constructor with name that is displayed in error messages. More...
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| DefaultParamHandler (const DefaultParamHandler &rhs) |
| Copy constructor. More...
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virtual | ~DefaultParamHandler () |
| Destructor. More...
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virtual DefaultParamHandler & | operator= (const DefaultParamHandler &rhs) |
| Assignment operator. More...
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virtual bool | operator== (const DefaultParamHandler &rhs) const |
| Equality operator. More...
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void | setParameters (const Param ¶m) |
| Sets the parameters. More...
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const Param & | getParameters () const |
| Non-mutable access to the parameters. More...
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const Param & | getDefaults () const |
| Non-mutable access to the default parameters. More...
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const String & | getName () const |
| Non-mutable access to the name. More...
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void | setName (const String &name) |
| Mutable access to the name. More...
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const std::vector< String > & | getSubsections () const |
| Non-mutable access to the registered subsections. More...
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| ProgressLogger () |
| Constructor. More...
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| ~ProgressLogger () |
| Destructor. More...
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| ProgressLogger (const ProgressLogger &other) |
| Copy constructor. More...
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ProgressLogger & | operator= (const ProgressLogger &other) |
| Assignment Operator. More...
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void | setLogType (LogType type) const |
| Sets the progress log that should be used. The default type is NONE! More...
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LogType | getLogType () const |
| Returns the type of progress log being used. More...
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void | startProgress (SignedSize begin, SignedSize end, const String &label) const |
| Initializes the progress display. More...
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void | setProgress (SignedSize value) const |
| Sets the current progress. More...
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void | endProgress () const |
| Ends the progress display. More...
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void | nextProgress () const |
| increment progress by 1 (according to range begin-end) More...
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Correlates individual masstraces found in mass spectrometric maps.
The MasstraceCorrelator offers several functions to correlate individual mass traces using the normalized Cross-Correlation and pearson scoring of the OpenSWATH module.
Compute pseudo-spectra from a set of (MS2) masstraces
This function will take a set of masstraces (consensus map) as input and produce a vector of pseudo spectra as output (pseudo_spectra result vector).
It basically makes an all-vs-all comparison of all masstraces against each other and scores them on how similar they are in their mass traces.
This assumes that the consensus feature is only from one (SWATH) map This assumes that the consensus map is sorted by intensity
Match up two mass traces with potentially missing values.
To compute correlations on masstraces, they need to have the same length and matching points. This function matches two masstraces by RT and identifies points that are the same in retention time (see mindiff parameter) and matches them. If no match is found, a missing value is assumed and they are filled with zeros. Thus, if the two retention times are less than mindiff apart, the two entries are considered to be equal, otherwise one is assumed to be zero).
This is useful for matching mass traces that are not of the exact same length and/or have missing values.
- Parameters
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hull_points1 | The first input mass trace |
hull_points2 | The second input mass trace |
vec1 | The intensities of the first mass trace with matched-up points |
vec2 | The intensities of the second mass trace with matched-up points |
mindiff | The minimal difference in RT for points to match up |
padEnds | Whether to pad ends with zeros |