search for: darmawikarta

Displaying 3 results from an estimated 3 matches for "darmawikarta".

2017 Aug 11
2
Package sqldf in R and dates manipulation
Dear all, I recently read the book " R data preperation and manipulation using sqldf package" by Djoni Darmawikarta However, I have a problem with manipulation of dates using this package, I do not get the expected results. Do I need to install some packages to be able to subset the data by dates in sqldf? I am not getting Djoni Darmawikarta email address. Please see the practice data attached and advise, Ki...
2017 Aug 11
0
Package sqldf in R and dates manipulation
See FAQ #4 on the sqldf github home page. On Fri, Aug 11, 2017 at 9:21 AM, Mangalani Peter Makananisa <pmakananisa at sars.gov.za> wrote: > Dear all, > > I recently read the book " R data preperation and manipulation using sqldf package" by Djoni Darmawikarta > However, I have a problem with manipulation of dates using this package, I do not get the expected results. Do I need to install some packages to be able to subset the data by dates in sqldf? > > I am not getting Djoni Darmawikarta email address. > > Please see the practice data a...
2017 Aug 11
0
Fwd: RE: Package sqldf in R and dates manipulation
Sent from Samsung tablet. Dear all, ? I recently read the book ? R data preperation and manipulation using sqldf package? ?by Djoni Darmawikarta? However, I have a problem with manipulation of dates using this package, I do not get the expected results. Do I need to install some packages ?to be able to subset the data by dates in sqldf? ? I am not getting Djoni Darmawikarta?email address. ? Please see the practice data attached and advise,...