Last modified: December 2020

URL: https://cxc.cfa.harvard.edu/sherpa/ahelp/copy_data.html
AHELP for CIAO 4.13 Sherpa v1

copy_data

Context: data

Synopsis

Copy a data set, creating a new identifier.

Syntax

copy_data(fromid, toid)

fromid - int or str
toid - int or str

Description

After copying the data set, any changes made to the original data set (that is, the `fromid` identifier) will not be reflected in the new (the `toid` identifier) data set.


Examples

Example 1

>>> copy_data(1, 2)

Example 2

Rename the data set with identifier 2 to "orig", and then delete the old data set:

>>> copy_data(2, "orig")
>>> delete_data(2)

PARAMETERS

The parameters for this function are:

Parameter Definition
fromid The input data set.
toid The output data set.

Bugs

See the bugs pages on the Sherpa website for an up-to-date listing of known bugs.

See Also

data
dataspace1d, dataspace2d, datastack, delete_data, fake, get_axes, get_bkg_chisqr_plot, get_bkg_delchi_plot, get_bkg_fit_plot, get_bkg_model_plot, get_bkg_plot, get_bkg_ratio_plot, get_bkg_resid_plot, get_bkg_source_plot, get_counts, get_data, get_data_contour, get_data_contour_prefs, get_data_image, get_data_plot, get_data_plot_prefs, get_dep, get_dims, get_error, get_quality, get_specresp, get_staterror, get_syserror, group, group_adapt, group_adapt_snr, group_bins, group_counts, group_snr, group_width, load_ascii, load_data, load_grouping, load_quality, set_data, set_quality, ungroup, unpack_ascii, unpack_data
filtering
get_filter, load_filter, set_filter
info
get_default_id, list_data_ids, list_response_ids
modeling
clean
plotting
plot_data, set_xlinear, set_xlog, set_ylinear, set_ylog
saving
save_error, save_filter, save_grouping, save_quality, save_staterror, save_syserror
utilities
calc_data_sum, calc_data_sum2d, calc_ftest, calc_kcorr, calc_mlr, calc_model_sum2d, calc_source_sum2d, get_rate
visualization
contour, contour_data, contour_ratio, histogram1d, histogram2d, image_data, rebin