Is there a label/goto in Python?
Is there a goto or any equivalent in Python to be able to jump to a specific line of code?
Python
How to prevent errno 32 broken pipe?
Your server process has received a SIGPIPE writing to a socket. This usually happens when you write to a socket fully closed on the other (client) side. This might be happening when a client program doesn’t wait till all the data from the server is received and simply closes a socket (using close function). In a C program you … Read more
OSError: [WinError 193] %1 is not a valid Win32 application
The error is pretty clear. The file hello.py is not an executable file. You need to specify the executable: You’ll need python.exe to be visible on the search path, or you could pass the full path to the executable file that is running the calling script:
ImportError: No module named ‘Tkinter’
You probably need to install it using one of (or something similar to) the following: You can also mention version number like this sudo apt-get install python3.7-tk for python 3.7. Why don’t you try this and let me know if it worked: Here is the reference link and here are the docs Better to check versions as suggested here: Or you … Read more
ModuleNotFoundError: No module named ‘sklearn’
I want to import sklearn but there is no module apparently: I am using Anaconda and Python 3.6.1; I have checked everywhere but still can’t find answers. When I use the command: conda install scikit-learn should this not just work?Where does anaconda install the package? I was checking the frameworks in my python library and there was nothing … Read more
How do I check if a variable exists?
To check the existence of a local variable: To check the existence of a global variable: To check if an object has an attribute:
Importing files from different folder
I have the following folder structure. I want to import some functions from file.py in some_file.py. I’ve tried and some other various attempts but so far I couldn’t manage to import properly. How can I do this?
ValueError: shape mismatch: objects cannot be broadcast to a single shape
This particular error implies that one of the variables being used in the arithmetic on the line has a shape incompatible with another on the same line (i.e., both different and non-scalar). Since n and the output of np.add.reduce() are both scalars, this implies that the problem lies with xm and ym, the two of which are simply your x and y inputs minus their respective … Read more
iloc giving ‘IndexError: single positional indexer is out-of-bounds’
This error is caused by: Indexing is out of bounds here most probably because there are less than 19 columns in your Dataset, so column 18 does not exist. The following code you provided doesn’t use Y at all, so you can just comment out this line for now.
Why am I getting “LinAlgError: Singular matrix” from grangercausalitytests?
The problem arises due to the perfect correlation between the two series in your data. From the traceback, you can see, that internally a wald test is used to compute the maximum likelihood estimates for the parameters of the lag-time series. To do this an estimate of the parameters covariance matrix (which is then near-zero) … Read more