Typically options belong together after a single comma, for example:
ivprobit dependent x y l.z (zz = mz pz), vce(cluster) twostep first
There are exceptions to that rule but they don't make your syntax legal.
Beyond that you just have to read the help! For example, for -ivprobit-
the allowable syntax is just to specify a vcetype; nothing is said there
about a cluster variable.
Nick
[email protected]
Choudry T Shehzad
In stata help pages vce(cluster, clustervariable) and vce (bootstrap)
has been mentioned as options but when I try to run it says
ivprobit dependent x y l.z (zz = mz pz), vce(cluster, country),
twostep, first
invalid 'twostep'
r(198);
. ivprobit dependent x y l.z (zz = mz pz), vce(cluster, country), first
invalid 'first'
r(198);
. ivprobit dependent x y l.z (zz = mz pz), vce(cluster, country)
option country not allowed
r(198);
. ivprobit dependent x y l.z (zz = mz pz), vce(boot)
time-series operators are not allowed with bootstrap without panels, see
tsset
r(198);
Only option it accepts is vce(robust). While I want to bootstrap
standard errors on clusters. I understand that ivprobit is not for panel
then why this option has been given after ivprobit. can anybody help?
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