Process and standardize carbonate and/or CO2 clumped-isotope analyses, from low-level data out of a dual-inlet mass spectrometer to final, “absolute” -Δ47 and Δ48 values with fully propagated analytical error estimates +Δ47, Δ48 and Δ49 values with fully propagated analytical error estimates (Daëron, 2021).
The tutorial section takes you through a series of simple steps to import/process data and print out the results. @@ -893,7 +908,7 @@
By default equal to (after Fiebig et al. (2019), -Fiebig et al. (in press)):
+Fiebig et al. (2021)):{
@@ -12066,6 +12124,225 @@ Inherited Members
3281class D49data(D4xdata): +3282 ''' +3283 Store and process data for a large set of Δ49 analyses, +3284 usually comprising more than one analytical session. +3285 ''' +3286 +3287 Nominal_D4x = {"1000C": 0.0, "25C": 2.228} # Wang 2004 +3288 ''' +3289 Nominal Δ49 values assigned to the Δ49 anchor samples, used by +3290 `D49data.standardize()` to normalize unknown samples to an absolute Δ49 +3291 reference frame. +3292 +3293 By default equal to (after [Wang et al. (2004)](https://doi.org/10.1016/j.gca.2004.05.039)): +3294 +3295 ```py +3296 { +3297 "1000C": 0.0, +3298 "25C": 2.228 +3299 } +3300 ``` +3301 ''' +3302 +3303 @property +3304 def Nominal_D49(self): +3305 return self.Nominal_D4x +3306 +3307 @Nominal_D49.setter +3308 def Nominal_D49(self, new): +3309 self.Nominal_D4x = dict(**new) +3310 self.refresh() +3311 +3312 def __init__(self, l=[], **kwargs): +3313 ''' +3314 **Parameters:** same as `D4xdata.__init__()` +3315 ''' +3316 D4xdata.__init__(self, l=l, mass='49', **kwargs) +3317 +3318 def save_D49_correl(self, *args, **kwargs): +3319 return self._save_D4x_correl(*args, **kwargs) +3320 +3321 save_D49_correl.__doc__ = D4xdata._save_D4x_correl.__doc__.replace('D4x', 'D49') +
Store and process data for a large set of Δ49 analyses, +usually comprising more than one analytical session.
+3312 def __init__(self, l=[], **kwargs): +3313 ''' +3314 **Parameters:** same as `D4xdata.__init__()` +3315 ''' +3316 D4xdata.__init__(self, l=l, mass='49', **kwargs) +
Parameters: same as D4xdata.__init__()
Nominal Δ49 values assigned to the Δ49 anchor samples, used by
+D49data.standardize() to normalize unknown samples to an absolute Δ49
+reference frame.
By default equal to (after Wang et al. (2004)):
+ +{
+ "1000C": 0.0,
+ "25C": 2.228
+}
+3318 def save_D49_correl(self, *args, **kwargs): +3319 return self._save_D4x_correl(*args, **kwargs) +
Save D49 values along with their SE and correlation matrix.
+ +Parameters
+ +samples: Only these samples are output (by default: all samples).dir: the directory in which to save the faile (by defaut: output)filename: the name to the csv file to write to (by default: D49_correl.csv)D49_precision: the precision to use when writing D49 and D49_SE values (by default: 4)correl_precision: the precision to use when writing correlation factor values (by default: 4)