I have a dataframe like as shown below My objective is to do the below a) Group columns based on multiple criteria (as shown in below code) b) Assign a default value based on target column. (ex: if target_at50, then assign value 50, if target_at60, then assign 60. if target_at70, then assign 70) b) Repeat the…
Tag: python
Convert utf-16 to utf-8 using python
I am trying to convert a huge csv file from utf-16 to utf-8 format using python and below is the code: But this code uses lots of memory and fails with Memoryerror. Please help me with an alternate method. Answer an option is to convert the file line by line: or you could open the files with your desired enco…
How to have automatic (or manual) scaling of xticks and yticks with pyplot?
Basically, I want my curve to be properly fitted onto the graph, as it obviously isn’t the case currently. My xtick intervals are equal according to pyplot, but they clearly have values that do not match that. I want pyplot to understand that, and I’m not sure why it’s forcing the curve to b…
filter string elements from list using another list
I have a list of strings of various lengths stored in df. The total number of rows in df is 301501. Example is as follows: I have also stored a list of female names in another list called f_name. I want to create another column in df to filter out elements that are not found in f_name. What I tried
window message not received using python win32api
I am using win32 packages to send messages to a window. I manage to get the handle and apparently the message is sent as I get return value 0 from send code. however it has no action in the window, and spyxx does not see the message on the specified handle. my window has no child window and is class
‘cannot compute Pack as input #1(zero-based) was expected to be a float tensor but is a int32 tensor [Op:Pack] name: packed’. Error with tf.squeeze
I’m trying to display images of a dataset on a plot with their predictions. But I have this error: cannot compute Pack as input #1(zero-based) was expected to be a float tensor but is a int32 tensor [Op:Pack] name: packed This is the code in which I plot: I have the error on second line, on the tf.squee…
Python / Selenium only print if class has a certain value + only print certain elements in html
I am coding a script that is going to test all free proxies available on: https://free-proxy-list.net/ On this site there is a list with all available proxies, and I managed to make my script print them all but, I only want to print the proxy value if https is enabled. This is how the Html looks when https is…
How to get all links from a webpage using selenium?
I am trying to webscrape a site using Python, Selenium, Beautifulsoup. When I tried to get all the links ,It’ returning an invalid string. This is what I have tried Can someone help me please? Answer It is your selection with xpath, you select the <div> that do not have an href attribute. Select a…
cannot search value in dataframe althought the value exists
I have a data frame with location data. I know a value for a certain location exists and I even know its index location. When I search using index location the values is shown correctly but if I search using a combination of other columns(lat and lon), the value does not show. I am attaching the screenshot be…
Control how NAs are displayed with pandas styler
I am trying to use the na_rep argument of df.style.format() to control how cells with NaN are shown in the table. Documentation: https://pandas.pydata.org/docs/reference/api/pandas.io.formats.style.Styler.format.html Reproducible code: I get this error message. TypeError: format() got an unexpected keyword ar…