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Update rounding_4sigdig.do#4

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jrothbaumcensus wants to merge 1 commit intosimsong:masterfrom
jrothbaumcensus:patch-3
Open

Update rounding_4sigdig.do#4
jrothbaumcensus wants to merge 1 commit intosimsong:masterfrom
jrothbaumcensus:patch-3

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Log of existing code and fix

Log of code as before and with fix:

. gen test = -123456

. replace test = round(test,10^(floor(log10(test))-3))
(10 real changes made, 10 to missing)

. sum test

Variable |        Obs        Mean    Std. Dev.       Min        Max

-------------+---------------------------------------------------------
test | 0

.
. replace test = -123456
(10 real changes made)

. replace test = round(test,10^(floor(log10(abs(test)))-3))
(10 real changes made)

. sum test

Variable |        Obs        Mean    Std. Dev.       Min        Max

-------------+---------------------------------------------------------
test | 10 -123500 0 -123500 -123500

Log of existing code and fix

Log of code as before and with fix:

. gen test = -123456

. replace test = round(test,10^(floor(log10(test))-3))
(10 real changes made, 10 to missing)

. sum test

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
        test |          0

. 
. replace test = -123456
(10 real changes made)

. replace test = round(test,10^(floor(log10(abs(test)))-3))
(10 real changes made)

. sum test

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
        test |  10     -123500           0    -123500    -123500
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