I want to randomly select an element from each list in a Series of lists. So s is: I know I can do the following: Which does work: But I am wondering if there is a non-loop approach to do this? For instance, (assuming each list is equal size) you could make an array of random indices to try and
Tag: pandas
When I read a csv with squeeze is set to True in Pandas it makes dataframe not series
Was able to import a CSV while trying to perform squeeze but it looks like a data frame instead of a series? This is what I tried this is what I expected at least I remember learning the output was not a data frame but more like a series? I was expecting it would come in like a series and
Python Dictionary to Multiple CSV files
So I have a dictionary of 98 elements and I need to write each key:value to a CSV file. For example: {‘Group1′:values,’Group2’:values}, etc… So in this example I would need two (2) csv files: Group1_output.csv Group2_output.csv I am thinking I need a for loop but I am getting a l…
How can I consolidate multiple rows into a single row based off their values in a Pandas Dataframe?
I have a dataframe called Traffic: I’d like to end up with a dataframe like so: Where the 4 rows are combined into 1 based off the Source. The traffic methods are then further broken up by their destinations in ascending order. If there are multiple entries from say LA->NY of type Ground, add the wei…
How to create columns from rows given key:value pair in the column in pandas?
I have the DF of this kind: And I need to convert to this: I need to keep label for unique value and keys are merged to the right if present in the data. Keys may vary and be of different names for one value. Feel free to share how to rename the question because I could not find the
Multiple xml files to csv using python
I am trying to extract specific tags from XML and converting to CSV file. i was able to this for single XML file which is extracting all the identifier tag in the file. Here my question is 1) how to extract from multiple XML files to single CSV file and 2) in the given XML file the required tag is
Filter non-duplicated records in Python-pandas, based on group-by column and row-level comparison
This is a complicated issue and I am not able to figure this out, and I really appreciate your help in this. The below dataframe is generated from a pandas function DataFrame.duplicated(), based on ‘Loc'(groupby) and ‘Category’ repeated records are marked as True/False accordingly. My Expect…
Index Pandas Dataframe mixing row number and column name
Coming from R and finding the index rules for pandas dataframes to be not easy to use. I have a dataframe where I want to get the ith row and some columns by their names. I can clearly understand using either iloc or loc as shown below. Conceptually what I want is something like: Meaning the first row with th…
how rank is calculated in pandas
I confuse to understand rank of series. I know that rank is calculated from the highest value to lowest value in a series. If two numbers are equal, then pandas calculates the average of the numbers. In this example, the highest value is 7. why do we get rank 5.5 for number 7 and rank 1.5 for number 4 ?
Why package is not updated even the lifecycle script has been executed successfully in SageMaker?
I wanted to update pandas version in ‘conda-python3’ in SageMaker, I’ve followed the steps in this page, and linked the new configuration to my instance, CloudWatch log shows me the script has been executed successfully, but when I restart my instance and print out the panda version, it̵…