pandas output: and on python: i am trying do barplot in seaborn, but i get error numeric. How use sum time value in barplot seaborn? Answer You need to convert value series to a numeric data type to plot it. For example, assuming that value has a timedelta dtype. You can create another column in your datafram…
Tag: python
Python Plotly chart update with two dropdowns
I am trying to build a plotly scatterplot in Jupyter Lab to be able to see dependencies between various columns in a DataFrame. I want to have two dropdown menus (corresponding to the X and Y axes), in each of which a full list of the DF columns will be available. When I select a column in any of the
How to upgrade version of pyenv on Ubuntu
I wanted to install python 3.10 but that version is not available on pyenv version list. checked by pyenv install –list. People suggested to upgrade pyenv that but I do not see help related to updating pyenv. Answer pyenv isn’t really ‘installed’ in a traditional sense, it’s just…
Extracting feature names from sklearn column transformer
I’m using sklearn.pipeline to transform my features and fit a model, so my general flow looks like this: column transformer –> general pipeline –> model. I would like to be able to extract feature names from the column transformer (since the following step, general pipeline applies the…
Distance Matrix Haversine
I am working on a data frame that looks like this : I’m trying to make a Haverisne distance matrix. Basically for each zone, I would like to calculate the distance between it and all the others in the dataframe. So there should be only 0s on the diagonal. Here is the Haversine function that I use but I …
Job type(Full Time , Part Time) detection with Machine learning model in Python
I have a dataset of jobs where I have columns “Title” ,”Description” , “City” etc. and “Best Jobs” column. Output of the dataset is “Best Jobs” where I have two outputs(Yes , No) Yes mean jobs are part time and No , mean job is full time. I want to t…
Python: values written to csv file are in reverse order?
Here is the code in question first: Here is an example output: Why is the csv being written in reverse? The time stamp should be going from 03:23:08 to 03:23:13, but it’s not.. I’m thinking it’s maybe because I’m calling this recursively? But not totally sure. the ‘a’ in th…
Selecting first row from each subgroup (pandas)
How to select the subset of rows where distance is lowest, grouping by date and p columns? Ideally, the returned dataframe should contain: Answer One way is to use groupby + idxmin to get the index of the smallest distance per group, then use loc to get the desired output: Output:
Can RGB and RGBA be converted to each other?
I have a RGB image, and I want to convert it to RGBA to get alpha channels. It’s likely to convert RGB to HSV to get V channel. but now i want to get Alpha channel from RGBA. Can RGB and RGBA be converted to each other? Answer RGB represented in RBGA is just the same RGB values with A=max.
Parse pandas series with a list of dicts into new columns
I have a pandas series containing a list of dictionaries. I’d like to parse the contents of the dicts with some condition and store the results into new columns. Here’s some data to work with: I’d like to parse the contents of each dictionary with some conditional logic. Check for each dicts…