ShanZhengYang questions

• Counting unique values based on two columns with repeated rows, R data frame
• How to sort strings with integers by numeric ordering?
• How to merge a list of multiple dictionaries into a dictionary of lists? [duplicate]
• Is it possible to "grab"/"scrape" the .Call() output of C printf() within R (or with Rprintf())?
• How to pivot pandas DataFrame column to create binary "value table"?
• Melting an R data.table with a factor column
• Fortran READ(*,*), WRITE(*,*) arguments
• How can I only parse/split this list with multiple colons in each element? Create dictionary
• BeautifulSoup, extracting strings within HTML tags, ResultSet objects
• Pandas DataFrame: Cannot convert string into a float

ShanZhengYang answers