Re: Precision reading and writing data frames to csv

2017-03-11 Thread Paulo da Silva
Às 23:29 de 11-03-2017, Erik escreveu: > Hi Paulo, > > On 11/03/17 22:01, Paulo da Silva wrote: ... >> Now my question is: Is it possible the occurrence of successive >> cumulative errors? I mean reading a file, adding lines or change few >> ones but keeping the most of the other lines untouched

Re: Precision reading and writing data frames to csv

2017-03-11 Thread Erik
Hi Paulo, On 11/03/17 22:01, Paulo da Silva wrote: I have a dir with lots of csv files. These files are updated +- once a day. I could see that some values are converted, during output, to very close values but with lots of digits. I understand that is caused by the internal bits' representation

Re: Precision reading and writing data frames to csv

2017-03-11 Thread MRAB
On 2017-03-11 22:01, Paulo da Silva wrote: Hi! I have a dir with lots of csv files. These files are updated +- once a day. I could see that some values are converted, during output, to very close values but with lots of digits. I understand that is caused by the internal bits' representation of

Precision reading and writing data frames to csv

2017-03-11 Thread Paulo da Silva
Hi! I have a dir with lots of csv files. These files are updated +- once a day. I could see that some values are converted, during output, to very close values but with lots of digits. I understand that is caused by the internal bits' representation of the float/double values. Now my question is: