astrochron (version 0.3.1)

linage: Tune stratigraphic series to an astronomical target using graphical interface

Description

Tune stratigraphic series to an astronomical target using graphical interface similar to Analyseries 'Linage' routine (Paillard et al, 1996).

Usage

linage(dat,target,extrapolate=F,xmin=NULL,xmax=NULL,tmin=NULL,tmax=NULL,plotype=1,
       output=1,genplot=T)

Arguments

dat

Stratigraphic series for tuning, with two columns. First column is depth/height.

target

Astronomical tuning target series. First column is time.

extrapolate

Extrapolate sedimentation rates above and below 'tuned' interval? (T or F)

xmin

Minimum height/depth to plot.

xmax

Maximum height/depth to plot.

tmin

Minimum time value to plot.

tmax

Maximum time value to plot.

plotype

Type of plot to generate: 1= points and lines, 2 = points, 3 = lines

output

Return which of the following? 1 = tuned stratigraphic series; 2 = age control points; 3 = tuned stratigraphic series and age control points

genplot

Generate additional summary plots (tuned record, time-space map, sedimentation rates)? (T or F)

References

Paillard, D., L. Labeyrie and P. Yiou, 1996), Macintosh program performs time-series analysis: Eos Trans. AGU, v. 77, p. 379.

Examples

# generate example series with 3 precession terms and noise using function 'cycles'
# then convert from time to space using sedimentation rate that increases from 1 to 7 cm/ka
ex=sedRamp(cycles(start=1,end=400, dt=2,noisevar=.00005),srstart=0.01,srend=0.07)

# create astronomical target series
targ=cycles(start=1,end=400,dt=2)

## manually tune
#tuned=linage(ex,targ)

## should you need to flip the direction of the astronomical target series, use function 'cb':
#tuned=linage(ex,cb(targ[1]*-1,targ[2]))