On 11/1/14, Alan G Isaac wrote:
> On 11/1/2014 3:15 PM, Warren Weckesser wrote:
>> I intended the result of `genfromtxt(..., max_rows=n)` to produce the same
>> array as produced by `genfromtxt(...)[:n]`.
>
> I find that counterintuitive.
> I would first honor skip_header.
Sorry for the terse ex
On 11/1/14, Alan G Isaac wrote:
> On 11/1/2014 4:41 PM, Alexander Belopolsky wrote:
>> I cannot think of a situation where I would need more generality such as
>> reading every 3rd row or rows with the given numbers. Such processing is
>> normally done after the text data is loaded into an array.
On 11/1/2014 3:15 PM, Warren Weckesser wrote:
> I intended the result of `genfromtxt(..., max_rows=n)` to produce the same
> array as produced by `genfromtxt(...)[:n]`.
I find that counterintuitive.
I would first honor skip_header.
Cheers,
Alan
___
Num
On 11/1/2014 4:41 PM, Alexander Belopolsky wrote:
> I cannot think of a situation where I would need more generality such as
> reading every 3rd row or rows with the given numbers. Such processing is
> normally done after the text data is loaded into an array.
I have done this as cheaper than r
On Sat, Nov 1, 2014 at 3:15 PM, Warren Weckesser wrote:
> Is there wider interest in such an argument to `genfromtxt`? For my
> use-cases, `max_rows` is sufficient. I can't recall ever needing the full
> generality of a slice for pulling apart a text file. Does anyone have
> compelling use-cas
On Sat, Nov 1, 2014 at 10:54 AM, Alan G Isaac wrote:
> On 11/1/2014 10:31 AM, Warren Weckesser wrote:
> > Alan's suggestion to use a slice is interesting, but I'd like to
> > see a more concrete proposal for the API. For example, how does
> > it interact with `skip_header` and `skip_footer`? Ho
Hi group,
I just answered a question on Stackoverflow from some new user, who was
bitten by some unexpected behavior when using a list instead of a np.array,
see here:
http://stackoverflow.com/q/26690480/2647279
The unexpected thing that triggered the error is that multiplying a list
with a Numpy
On 11/1/2014 10:31 AM, Warren Weckesser wrote:
> Alan's suggestion to use a slice is interesting, but I'd like to
> see a more concrete proposal for the API. For example, how does
> it interact with `skip_header` and `skip_footer`? How would one
> use it to read a file in batches?
I'm probably
On 9/24/14, Alan G Isaac wrote:
> On 9/24/2014 2:52 PM, Jaime Fernández del Río wrote:
>> There is a PR in github that adds a new keyword to the genfromtxt
>> function, to limit the number of rows that actually get read in:
>> https://github.com/numpy/numpy/pull/5103
>
> Sorry to come late to this
