Counting the occurences of country codes over each week in a python DataFrame containing daily sales Question: I am using python to analyse data from a sales dataset. This dataset consist of two columns, namely the transaction date and the corresponding country code from where the purchase was made. The dataset is a pandas DataFrame …
Combining xarray datasets with combine_by_coords() for 2 dimensions simultaneously in python Question: I have multiple xarray datasets with the dimensions: target-latitudes (180) and target-longitudes 360) and one variable: variable1. Each of these datasets represents a source-gridcell and thus corresponds to a particular source-latitude and source-longitude; e.g., the dataset sourcelat25_sourcelon126_mm3_per_yr.nc corresponds to a gridcell with the …
Translating the values of one data set to another Question: I was wondering how i could ‘translate’ the values of one data set to another. Here is what I mean: I have a data set of values that I would like to translate to midi pitches. This specific instrument in midi has a range of …
Randomly splitting 1 file from many files based on ID Question: In my dataset, I have a large number of images in jpg format and they are named [ID]_[Cam]_[Frame].jpg. The dataset contains many IDs, and every ID has a different number of image. I want to randomly take 1 image from each ID into a …
Split tf.data.Dataset into images and labels, but preserving the order Question: I am working on a classical Cats-vs-Dogs machine learning project and have the following problem: I have a tf.data.Dataset containing images and respective labels (0 and 1). I now want to predict the labels with a pretrained model and compare the predicted labels to …
Get full text below h2 tag with BeautifulSoup Question: I am trying to obtain different character’s descriptions and habilities for a dataset. The problem I’ve encountered is that there seems to be a span tag within the h2 tag and in some cases a figure before de p tags. This is the format I’m facing: …
How do I average row values using Python and create a new data frame? Question: I’m currently working with a data frame. Data The year goes all the way to 2022. What I’m trying to do is create a new dataframe that has two columns. 1)Year 2)Average of the ‘extent’ column for those corresponding years. …
Why Pytorch Dataset class does not returning list? Question: I am trying to use torch.utils.Dataset on a custom dataset. In my dataset, in a single row I have a list of 10 images like as follow: | word | images | gold_image | |:—–|:——-|:———–| |’andromeda’|[‘image.1.jpg’,’image.2.jpg’,’image.3.jpg’]|[0,0,1]| I expect to return batch from dataloader like this, with …
Creating ID for every row based on the observations in variable Question: A want to create a system where the observations in a variable refer to a number using Python. All the numbers from the (in this case) 5 different variables together form a unique code. The first number corresponds to the first variable. When …
What is the meaning of PhoenixHeaderVer and EndofPhoenixHeader in MSTAR dataset Question: I am using a program for SAR classification using MSTAR dataset. In one of the programs written two terms are used if ‘PhoenixHeaderVer’ in line: continue if ‘EndofPhoenixHeader’ in line: break What is the meaning of these two terms? I have seen the …
