Displaying 3 results from an estimated 3 matches for "sqlprac".
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sprac
2017 Aug 11
2
Package sqldf in R and dates manipulation
...Please see the practice data attached and advise,
Kind regards,
Mangalani Peter Makananisa (0005786)
South African Revenue Service (SARS)
Specialist: Statistical Support
TCEI_OR (Head Office)
Tell: +2712 422 7357, Cell: +2782 456 4669
product = read.csv('D:/Users/S1033067/Desktop/sqldf prac/sqlprac.csv', na.strings = '', header = T)
head(product)
library(sqldf)
sqldf()
# out-put
> sqldf("select * from product
+ where (date(Launch_dt) >= date('01-01-2003'))
+ ")
[1] P_Code P_Name Launch_dt Price
<0 rows> (or 0-length row.na...
2017 Aug 11
0
Package sqldf in R and dates manipulation
...gt;
> Kind regards,
>
> Mangalani Peter Makananisa (0005786)
> South African Revenue Service (SARS)
> Specialist: Statistical Support
> TCEI_OR (Head Office)
> Tell: +2712 422 7357, Cell: +2782 456 4669
>
>
> product = read.csv('D:/Users/S1033067/Desktop/sqldf prac/sqlprac.csv', na.strings = '', header = T)
> head(product)
> library(sqldf)
> sqldf()
>
> # out-put
>
>> sqldf("select * from product
> + where (date(Launch_dt) >= date('01-01-2003'))
> + ")
> [1] P_Code P_Name Lau...
2017 Aug 11
0
Fwd: RE: Package sqldf in R and dates manipulation
...se see the practice data attached and advise,
?
Kind regards,
?
Mangalani Peter Makananisa (0005786)
South African Revenue Service (SARS)
Specialist: Statistical Support
TCEI_OR (Head Office)
Tell: +2712?422 7357, Cell: +2782?456 4669
?
?
product = read.csv('D:/Users/S1033067/Desktop/sqldf prac/sqlprac.csv', na.strings = '', header = T)
head(product)
library(sqldf)
sqldf()
?
# out-put
?
> sqldf("select * from product
+???????????????? where (date(Launch_dt) >= date('01-01-2003'))
+????? ")
[1] P_Code??? P_Name??? Launch_dt Price???
<0 rows> (or 0-lengt...