I want to know if there is a better way of transforming a date column into a datetime column + 1 hour than the method I am currently using. Here is my dataframe: My code: Which gives the output: Does anyone know a more efficient way of doing this. Casting to a timestamp twice seems a bit clumsy. Many thanks.
AttributeError: ‘DataFrame’ object has no attribute ‘write’
I’m trying to write dataframe 0dataframe to a different excel spreadsheet but getting this error, any ideas? Answer You need to create and ExcelWriter object:
How to calculate with conditions in pandas?
I have a dataframe like this, I want to calculate and add a new column which follows the formula: Value = A(where Time=1) + A(where Time=3), I don’t want to use A (where Time=5). I know how to do by selecting the cell needed for the formula, but is there any other better ways to perform the calculation?…
Python and Selenium – Pick value from dropdown list
Trying to pick value in the dropwdown list as shown in picture – Dresses Dropdown IMAGE with open HTML By this line i’m able to click and expand the dropdown After i expand the dropdown list i tried to pick xPath/CSS selector for Dresses but nothing works How i copy the Selector Answer Induce WebD…
Efficiently compare running total for month to total for month
I have a dataframe (df). It contains predicted daily data from a model, up until the end of 2020. As each day passes in the year, actual and id data is added to the row. There are multiple names for each day I want to add an additional column named payout. The payout should be 0 unless the sum of
applying .astype() for specific indices doesn’t work
I want to change first column to int in dnarray [[ 1. 6.218 2.974 0. ] [ 2. 32.881 8.66 0. ] [ 3. 38.94 35.843 0. ] [ 4. 8.52 35.679 0. ] [ 5. 52.902 49.538 0. ]] float64 int32 float64 I tried to use deepcopy, but no success. Any help will be good, I didn’t find any
Working with 2 arrays to populate a third one in numpy
I am trying to work with two arrays in a certain way in python. Lets say now I have a target array C = [2, 7, 15, 25, 40]. I want to find a output value (say Y) for each element in C (say x) with conditions: If x < A[0] then Y = B[0] If A[i] < x <
xattr: ImportError: No module named pkg_resources
I was trying to run xattr on macOS Catalina 10.15.2 and the error occurred: So I tried the solution given by @cwc and installed the latest version of setuptools I also installed setuptools using pip3 Besides, I tried the methods above in different conda environments with Python 3.6.10 and 3.7.4, but the probl…
how to perform a backwards correlation/convolution in python
I am trying to perform a backwards correlation (at least that’s what I think it’s called) on 2 matrices to get a resultant matrix. Note: backwards convolution works too, because I’m applying this to a CNN. I have the following two matrices: vals: w0: I essentially want to apply a sliding win…
How to convert a video (on disk) to a rtsp stream
I have a video file on my local disk and i want to create an rtsp stream from it, which i am going to use in one of my project. One way is to create a rtsp stream from vlc but i want to do it with code (python would be better). I have tried opencv’s VideoWritter like this But