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concord() is now a wrapper function for various
concordance sub-functions: concord_hs_naics,
concord_hs_sitc, concord_sitc_naics,
concord_hs, and concord_sitc. The
compartmentalizing of the original function allows the package to
incorporate new product classification systems and versions more easily.
Additionally, users can now choose (1) whether they want to return all
matched outputs for each input, and (2) the preferred number of digits
for outputs.
All functions in the package are now vectorized with significant speed improvements.
get_sigma subsumes getSigma and
listSigma. It now allows users to (1) choose the country
for which to return import demand elasticities, and (2) use 5-digit
SITC3 estimates for the United States (instead of the 3-digit HS0
default).
For replication purposes, raw concordance data, along with R scripts that clean them, are now stored under https://github.com/insongkim/concordance/tree/master/data-raw.
extend_concordance has been removed as it is no
longer needed in the main concord function.
concord_test has been removed. Instead, see the
various test scripts under https://github.com/insongkim/concordance/tree/master/data-raw,
e.g., test-concord.R.
getRauch and proddiff have been
subsumed by get_proddiff.
getSigma and listSigma have been
subsumed by get_sigma.
desc has been renamed as get_desc to
improve the consistency in function names in the package.
Description data codedesc,
code_lengths, and desclen have been removed.
Instead, a separate description table for each classification and
version is now visible in the package and can be loaded, e.g.,
data(sitc4_desc), data(hs5_desc),
etc.
Concordance data concord_data,
concord_long, hs2sitc, and
long_codes have been removed. Instead, a separate and
cleaned concordance table for each pair of classification systems is now
visible in the package and can be loaded, e.g.,
data(hs5_sitc4), data(hs5_naics),
etc.
Elasticity data BWsigma, sigma, and
sigmatab have been removed. Instead, see
data(sigma_hs0) and
data(sigma_sitc3).
Product differentiation data Rauch has been removed.
Instead, see data(sitc2_rauch).
These binaries (installable software) and packages are in development.
They may not be fully stable and should be used with caution. We make no claims about them.