I need to process a file like this and I need to transform it to a dict : I don’t succeed in any fast and elegant way to deal Answer Let me first specify what I have understood from your requirement. You input is a csv file, with optionaly quoted fields: ok the csv module can parse it The first
Tag: csv
How to assign an item in a pandas dataframe after checking for conditions?
I am iterating through a pandas dataframe (originally a csv file) and checking for specific keywords in each row of a certain column. If it appears at least once, I add 1 to a score. There are like 7 keywords, and if the score is >=6, I would like to assign an item of another column (but in this row)
Balance dataset using pandas
This is for a machine learning program. I am working with a dataset that has a csv which contains an id, for a .tif image in another directory, and a label, 1 or 0. There are 220,025 rows in the csv. I have loaded this csv as a pandas dataframe. Currently in the dataframe, there are 220,025 rows, with 130,908
Resampling timestamps in a CSV
I have a CSV file that stores data from different smartphone sensors. The timestamps are elapsed nanoseconds since the program to record the data was started. Short example: The time steps between the timestamps are not equal, but I would like them to be. My question is how to achieve this? I was thinking about simply downsampling the nanoseconds to
How to recognise different csv encodings?
I am not sure if it’s with the encoding itself however this is my problem; I would expect it to print this: However it does not recognise any of the Japanese characters and rather comes up with The encoding I used on the csv file was ISO2022. My question is, is there a way to make this appear properly? Answer
Convert timeseries csv in Python
I want to convert a CSV file of time-series data with multiple sensors. This is what the data currently looks like: The different sensors are described by numbers and have different numbers of axes. If a new activity is labeled, everything below belongs to this new label. The label is in the same column as the first entry of each
In excel differentiate delimiters from content characters
I have an excel .csv file which looks like this The data here is comma seperated so I use delimiter=’,’, but in some cases as in last line there is comma in text too. In my csv file all strings with comma in it are in quotation mark ” “. I have tried to read the file with open() with
Split string with unexpected behaviour?
I am reading a csv file and I use a split on every line but I do not fully understand the behavior. csv file: code: This yields: but I expected the last line to be: Answer Use the delimiter arg to csv.reader to split on semicolons instead of commas:
Issue with writing CSV in Python
I am reading and XLSX file. and looping over the rows and colums to remove all the clutter from the excel. When I print full_data_row it prints the string with , so that is correct. When i check my csv file. I get this as an ouput: header1,header2,header3 O,p,z,e,t, ,h,o,s,t,e,d, Answer csvwriter.writerow() expects an iterable (e.g. a list), and will
Loading a large dataset from CSV files in TensorFlow
I use the following code to load a bunch of images in my data set in TensorFlow, which works well: I am wondering how I can use a similar code to load a bunch of CSV files. Each CSV file has a shape 256 x 256 and can be assumed as a grayscale image. I don’t know what I should