Tag: pandas

how to add the value from the next row to the current row

I want to group by id column and add the value from the next row to the current row only for the trip column How can I transform the first data frame to the second data frame shown below? Answer I am not sure if the only thing requested is to concatenate the trip ID of the next row to

How to stop Python from truncating print statements?

pandas printing python

I have a print statement that prints a very long big Pandas DataFrame series out, but I need all the information. When printing, Python gives 0 [{This is a long stateme…..}] 1 [{This is a long stateme…..}] and terminates the print statement with dots. I want to see the entire print statement witho…

How to standardize column in pandas

pandas python regex

I have dataframe which contains id column with the following sample values I want to standardise to XXXXXXXX-XXXX (i.e. 8 and 4 digits separated by a dash), How can I achieve that using python. here’s my code Answer Can use DataFrame.replace() function using a regular expression like this: Here’s …

for every row find the last column with value 1 in binary data frame

dataframe pandas python python-3.x

consider a data frame of binary numbers: how do I find, for each row, the rightmost column in which a 1 is observed? so for the dataframe above it would be: Answer One option is to reverse the column order, then use idxmax: Output:

insert line break in python file after a fix number of elements to delimit columns in a csv file

csv pandas python

I´ve been struggling a bit to find a way in python to force this file to create a jump to a new line after some number of elements (equal to the number of columns I will need to add which is 12) the CSV currently looks like this. the text of the first row looks like this . D276″,31386,10610,12122021 00:…

I have an error in my code the current error is a TypeError: ‘NoneType’ object is not subscriptable

arrays database pandas python

This is my current code, I get the error The data looks something like this, I just want to add the data from the code, when bought, when sold, into the last 2 columns in the data, then i will plot the data. Thanks In Advance Answer Your MyStrat function does not return anything, so you’re basically try…

How to count letter based similarity on pandas dataframe

dataframe pandas python similarity

Here’s my first dataframe df1 Here’s my second dataframe df2 Similarity Matrix, columns is Id from df1, rows is Id from df2 Note: 0 value in (1,1), (2,1) and (3,2) because no letter similar 0.25 value in (3,1) is because of only 1 letter from raUw avaliable in 4 letter `dnag’ (1/4 equals 0.2…

yfinance specific financials for multiple companies

pandas python yfinance

I want to get net income and research development for the current year from multiple companies. At present, ticker.financials from yfinance library gives me the full table for 4 years and for multiple metrics. I am checking below the keys for financials and there are only by years. For example, gives me this …

How can I create a new pandas DataFrame out of an existing one applying a function to every column without a for loop?

pandas python

A simplified script I have now working is as follows: How can I get the same result (a one row dataframe) with a simpler, more efficient code? Answer Try with apply: