iotools | run distributed R jobs seamlessly on Hadoop and handle chunk
kandi X-RAY | iotools Summary
kandi X-RAY | iotools Summary
High-performance I/O tools to run distributed R jobs seamlessly on Hadoop and handle chunk-wise data processing
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QUESTION
I am trying to build a generic pvsystem for modelling without the need for specific modules and inverters. I have all the key variables (surface azimuth, tilt, albedo, tracking technology(Fixed, Single, Dual), location, DC size in KW, loss factors, DC/AC ratio)
I understand PVWatts is the best way to do this, but I don't know how it works. how best would I build such a pvsystem in PVLIB?
Current code attached, It works but looking to change the pvsystem build
...ANSWER
Answered 2019-Jul-23 at 17:45Replace your sandia_module
and cec_inverter
with dictionaries that specify the PVWatts parameters. The code in this documentation section demonstrates specifying PVWatts parameters: https://pvlib-python.readthedocs.io/en/stable/pvsystem.html#design-philosophy
QUESTION
I was wondering process of loading the actual meteorological data (AMY) weather dataset with PVlib. Should we use pvlib.iotools.read_tmy3 function for loading AMY data as well or is there specialized function/method of loading AMY weather dataset?
Thanks in advance.
...ANSWER
Answered 2019-Mar-05 at 17:23The functions only care about the format of the data, not the data itself. So if your AMY data is in TMY format, then using the TMY reader is appropriate.
QUESTION
This is my first post so sorry if I'm doing something wrong!
I am trying to make a program where you enter a width and a height. From these 2 values, it takes 10 of them and randomly sets those 10 values to true or false. Just a side note, this is a school assignment that I've been having trouble with.
How would I go about doing this?
Here is the question that I was given:
...Task 1:
- Create new class "BinaryMap"
- Create new Method "generateRandomArrayFix" which creates a 2D boolean array sized 10x10
- Initialize all values with false
- 10 out of the 100 values should be randomly changed to true
- return your boolean array.
ANSWER
Answered 2018-Nov-16 at 03:00Welcome to SO. Unfortunately the code you've posted has quite a few problems (including syntax errors) so it's quite difficult for us to suggest specific changes to solve your problem.
Rather than providing a solution to the requirements I suggest you start by breaking down the task into several steps and turn each into a method that you validate (through unit tests) before moving on to the next one.
So, for example, the first task is: create a 10x10 array initiated to false. Writing a test for this might be the only tricky part. Something like:
QUESTION
My application takes a string command and repeatedly executes it during some process, each time with different environment variables. To support any kind of command, I run cmd /C
with the command specified and the system takes care of parsing and running the command. However, I think about making the application compatible with Unix .NET implementations by calling sh -c
instead on these systems.
So, I want to determine two things in the most portable way - the proper interpreter that should be executed (cmd
on Windows, sh
or possibly user-specified on Unix) and the style of variables which it accepts (%var%
on Windows, $var
on Unix).
At the moment, I think about checking the COMSPEC
environment variable if it points to a Windows-style command-line interpreter and use that, or look for the SHELL
variable and use that. Is there a better managed alternative, or is this sufficient?
ANSWER
Answered 2017-Nov-19 at 11:54I might be misunderstanding something here, but why not use System.Environment.OSVersion.Platform
?
QUESTION
I have compiled a fortran file and an object file created.After that i tried to execute the object file but an error appears.The OS is Ubuntu and the error is below:
To compile the source file
...ANSWER
Answered 2017-Oct-29 at 10:47You certainly do not execute an object .o file. You link it to create an executable file.
But Notice you do not create the reader.o
file, you create a reader.x
file in:
QUESTION
A variable rows is defined as tProcRows <<- 0
in main.R file, which is by default a 'double'
than in the another function on a separate R file I am trying to do-
ANSWER
Answered 2017-Aug-18 at 17:04Seems your code needs to be cleaned up a bit:
QUESTION
I am trying to convert several comments into a matrix of characters so that I can extract numbers with the ultimate goal of building a character based neural network to identify amounts. It seems that even though they are stored as characters which I can verify with strsplit the mstrsplit function from iotools wont put them in a matrix.
...ANSWER
Answered 2017-Mar-03 at 15:44I found an alternative in matrix(unlist(()).
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