Recent questions tagged Python

0 votes

509 views

1 answer

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)

0 votes

487 views

1 answer

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)

0 votes

1.2k views

1 answer

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)

0 votes

557 views

1 answer

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)

0 votes

560 views

1 answer

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)

0 votes

512 views

1 answer

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)

0 votes

683 views

1 answer

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)

0 votes

595 views

1 answer

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)

0 votes

552 views

1 answer

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)

0 votes

416 views

1 answer

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)

0 votes

464 views

1 answer

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)

0 votes

591 views

1 answer

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)

0 votes

607 views

1 answer

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)

0 votes

659 views

1 answer

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)

0 votes

744 views

1 answer

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)

0 votes

635 views

1 answer

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)

0 votes

675 views

1 answer

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)

0 votes

512 views

1 answer

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)

0 votes

477 views

1 answer

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)

0 votes

897 views

1 answer

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)

0 votes

810 views

1 answer

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)

0 votes

462 views

1 answer

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)

0 votes

495 views

1 answer

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)

0 votes

437 views

1 answer

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)

0 votes

501 views

1 answer

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)

0 votes

848 views

1 answer

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)

0 votes

543 views

1 answer

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)

0 votes

449 views

1 answer

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)

Categories

Just Browsing Browsing

Most popular tags