Recent questions tagged Python

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python - no of days to previous and next year - Pandas

I have a data frame like as shown below df1 = pd.DataFrame({'person_id': [11, 21, 31, 41, 51] ... for 2 subjects below. updated screenshot See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - Pandas - combine two columns

I have 2 columns, which we'll call x and y. I want to create a new column called xy: x y xy 1 1 2 2 ... will always be NaN where y has a value. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - Using read_excel with converters for reading Excel file into Pandas DataFrame results in a numeric column of object type

I am reading this Excel file United Nations Energy Indicators using the code snippet here: def convert_energy( ... float64 % Renewable float64 See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - Django 3.X admin showing all models in a new navbar

I run my web application on pythonanywhere and main admin page works fine, but others show my models on left side ... reason for this. Any idea? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - Keras getting wrong output shape

For the following CNN model = Sequential() model.add(Convolution2D(64, 3, 3, border_mode='same', input_shape=( ... the given output shape ? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - How to apply m.connection from Gekko using arrays?

I am trying to solve a mechanistic reaction model using arrays, "for cycle" and following the inputs from How to solve ... (h)') plt.show() See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - Flatten Pandas DataFrame from nested json list

perhaps somebody could help me. I tried to flat the following ist into a pandas dataframe: [{u'_id': u' ... that and become the desired outcome? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python 3.x - How to pre-process data before pandas.read_csv()

I have a slightly broken CSV file that I want to pre-process before reading it with pandas.read_csv(), i.e. do ... into e.g. pandas.read_csv(). See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - Boxplot: colors by x value and hues differentiated by pattern

Say I have a boxplot like the one shown below: I would like to achieve a different coloring: Fri, Sat and Sun ... I get the boxes in this case? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - How to split a csv file into multiple csv based on a given criterion?

I need to split few csv files based on a given time. In these files the time values are in seconds and ... (filename, k)) data_splitter(df) See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - how to parse a string into a dictionary

I am trying to parse a string to separate the lists within the string. I currently have the string: string = "[['q1', '0 ... 'q2': ('1', 'q1')} See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - How does .apply work on a Pandas DataFrame.groupby?

Count League Result EPL H 16 D 9 A 10 Champ H 67 D 15 A 57 H 87 La Liga D 35 A 40 I have a breakdown ... method g.sum()? What exactly is g here? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - Unable to install any package through pip

For some reason I have issues installing new packages with my pip. I have an OS Sierra environment ... matching distribution found for requests See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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661 views

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python - Report progress to QProgressBar using variable from an imported module

I have a PyQT GUI application progress_bar.pywith a single progressbar and an external module worker.py with a ... len(file_list) print percent See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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746 views

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python - PyDict_SetItemString segfaults

I am trying to write a simple C extension for Python3, and it segfaults when I try to add a string to a ... itself. Do I compile it wrong? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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637 views

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python - how to use 'pickle'

my code(i was unable to use 'pickle'): class A(object): def __getstate__(self): print 'www' return 'sss' def ... who can tell me how to use. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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677 views

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python - Why is instance variable not getting recognized

I have the following class in Python. import os,ConfigParser class WebPageTestConfigUtils: def __init__(self, configParser= ... here. ~ ~ See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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512 views

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python - Comparing two columns in pandas dataframe to create a third one

I have a following dataframe: In [25]: df1 Out[25]: a b 0 0.752072 0.813426 1 0.868841 0.354665 2 0 ... a generic solution for this. Any ideas? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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479 views

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python - Recursively creating a tree hierarchy without using class/object

I am having trouble creating a tree hierarchy in Python 3. I'd like to be able to do this without using ... the Tree structure would look like? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - Calculating scale/dispersion of Gamma GLM using statsmodels

I'm having trouble obtaining the dispersion parameter of simulated data using statsmodels' GLM function. import ... doing wrong? Thanks! See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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812 views

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python - ValueError: Error when checking : expected dense_1_input to have shape (3,) but got array with shape (1,)

I am trying to predict using the learned .h5 file. The learning model is as follows. model =Sequential() model ... How can I solve this problem? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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465 views

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python - How to insert one ndarray to another ndarray?

These are two ndarray. A=[[1,2,3],[4,5,6],[7,8,9]] B=[[31,42,53],[11,17,29],[100,59,32]] How to make a ... ], [11,17,29],[7,8,9],[100,59,32]] See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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497 views

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python - Replacing list item with contents of another list

Similar to this question, but instead of replacing one item with another, I'd like to replace any occurrences of ... that case in their answer.) See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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440 views

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python sort list of tuple

I am trying to sorting a list of tuple. for example, If >>>recommendations = [('Gloria Pritchett', 2), ... strings) in sorted_list. Please help! See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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502 views

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python - Controlling PYTHONPATH ordering in PyCharm to make the Source Folders are searched first

I create a projectname package, and use PyCharm to debug the code in it. I also use venv for setting up ... and updates the easy-install.pth. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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849 views

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python - Point in polygon using shapely?

I am running the following script which I believe should be returning TRUE for the point being in the polygon ... script is returning FALSE? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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545 views

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python - PyQt: How to send parameters by reference with QAxWidget

I'm attempting to use PyQt to talk to an ActiveX COM object in Python. This method works in Python: myobj ... of type int& using Python? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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451 views

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python - Pandas column creation

I'm struggling to understand the concept behind column naming conventions, given that one of the following attempts ... is my command incorrect? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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