I’m using Pandas to store stock prices data using Data Frames. There are 2940 rows in the dataset. The Dataset snapshot is displayed below: The time series data does not contain the values for Saturday and Sunday. Hence missing values have to be filled. Here is the code I’ve written but it is not solving … Read more
Seeing some strange behavior in Pymongo $in query. Looking for records that meet the following query: speciesCollection.find({“SPCOMNAME”:{“$in”:[‘paddlefish’,’lake sturgeon’]}}) The query returns no records. If I change it to find_one the it works returning the last value for Lake Sturgeon. The field is a text filed with one vaule. So I am looking for records that … Read more
I create legend in my chart this way: legend_handles.append(matplotlib.patches.Patch(color=color1, label=’group1′)) legend_handles.append(matplotlib.patches.Patch(color=color2, label=’group2′)) ax.legend(loc=’upper center’, handles=legend_handles, fontsize=’small’) This results in the legend items stacked vertically (top-bottom), while I would like to put them horizontally left to right. How can I do that? (matplotlib v1.4.3) Answer There is an argument determining the number of columns ncol=. ax.legend(loc=’upper … Read more
Stanford CoreNLP provides coreference resolution as mentioned here, also this thread, this, provides some insights about its implementation in Java. However, I am using python and NLTK and I am not sure how can I use Coreference resolution functionality of CoreNLP in my python code. I have been able to set up StanfordParser in NLTK, … Read more
This question already has answers here: How do I sort a dictionary by value? (34 answers) Closed 5 years ago. Suppose I have this dictionary: {“A”:3,”B”:4,”H”:1,”K”:8,”T”:0} I want to get the keys of the highest 3 values. So in this case I will get the keys: K, B and A Answer You can simply use … Read more
Need a simple example of calculating RMSE with Pandas DataFrame. Providing there is function that returns in cycle true and predicted value: def fun (data): … return trueVal, predVal for data in set: fun(data) And then some code puts these results in the following data frame where x is a real value and p is … Read more
I have constructed a Spark dataframe from a query. What I wish to do is print the dataframe to a text file with all information delimited by ‘|’, like the following: +——-+—-+—-+—-+ |Summary|col1|col2|col3| +——-+—-+—-+—-+ |row1 |1 |14 |17 | |row2 |3 |12 |2343| +——-+—-+—-+—-+ How can I do this? Answer You can try to write … Read more
When using the MountainCar-v0 environment from OpenAI-gym in Python the value done will be true after 200 time steps. Why is that? Because the goal state isn’t reached, the episode shouldn’t be done. import gym env = gym.make(‘MountainCar-v0’) env.reset() for _ in range(300): env.render() res = env.step(env.action_space.sample()) print(_) print(res[2]) I want to run the step … Read more
I’m trying to return as single object (not a queryset) that is specific to a user without them having to specify an identifier/pk within the requested URL. Each user has an organisation FK. i.e. http://website/organisation and not http://website/organisation/1 I’m receiving the following error, since it’s expecting this identifier: AssertionError: Expected view OrganisationDetail to be called … Read more
I’m trying to figure out how to provide the following facilities to a Python script so that it can: Import Ansible Python modules Open up my defined ansible.cfg and read vault_password_file variable Read vault_password_file and temporarily store in a Python variable Decrypt a referenced Ansible vaulted file I found this code via google but it … Read more
