How to round off range of Pandas dataframe columns based on a condition Question: I am new to python. Below is my dataframe, I want to round the colums COLB to COLE to 0 decimal if the columns are greater than 1 if not I want to assign value 1 Name COLB COLC COLD COLE …
Python Prevent Rounding Error with floats Question: I have checked dozens of other questions on stackoverflow about rounding floats in Python. I have learned a lot about how computers store these numbers, which is the root cause of the issue. However, I have not found a solution for my situation. Imagine the following situation: amount …
Rounding Numbers in a Quartile Figures of a Plotly Box Plot Question: I have been digging around a while trying to figure out how to round the numbers displayed in quartile figures displayed in the hover feature. There must be a straightforward to do this as it is with the x and y coordinates. In …
What's the mathematical reason behind Python choosing to round integer division toward negative infinity? Question: I know Python // rounds towards negative infinity and in C++ / is truncating, rounding towards 0. And here’s what I know so far: |remainder| -12 / 10 = -1, – 2 // C++ -12 // 10 = -2, + …
How can I turn off rounding in Spark? Question: I have a dataframe and I’m doing this: df = dataframe.withColumn("test", lit(0.4219759403)) I want to get just the first four numbers after the dot, without rounding. When I cast to DecimalType, with .cast(DataTypes.createDecimalType(20,4) or even with round function, this number is rounded to 0.4220. The only …
Python rounding with Decimal module to specified decimal places Question: Question: How could I make Python’s Decimal module round to a specified decimal place instead of rounding to a specified precision (significant figure) while evaluating an arithmetic operation? Info I have been using the Decimal module in Python to round values to a specified precision …
Function in python that outputs either -1 or 0 or 1 Question: Is there like a (modified) round function where the output would be either -1,0,1 depending on to what number is the input the closest? E.g. 0 => 0, -2154 => -1, 10 => 1 Currently I am using normal if else statements: if …
How to format float columns of dataframe to desired decimal places while writing into delimited file? Question: So my dataframe has a bunch of columns for pricings which hold values like 16.99 for 16 dollars and 99 cents. I want my pricing to be correct till cents. But while exporting it to csv, it truncates …
Round decimal – If 1 then no decimal, if 0.01 then 2 decimal Question: How can i truncate not with casual number like 1, 2, 3 but directly with decimal syntax? For example: I have 4 and decimal to 1 so truncate to 4. I have 1.5 and decimal to 1 so truncate to 1. …
How to round away from zero Question: I am new to python, and as far as I found out, python doesn’t have sort of “mathematical” rounding. Or does it have? I have a temperature array, for example: temp = [-20.5, -21.5, -22.5, -23.5, 10.5, 11.5, 12.5, 13.5] I couldn’t fine the way to round values …
