Webpandas.DataFrame.index# DataFrame. index # The index (row labels) of the DataFrame.

How to extract the file name from a column of paths

WebAug 24, 2016 · Is it possible when creating a dataframe from a list, to set the index as one of the values? import pandas as pd tmp = [ ['a', 'a1'], ['b',' b1']] df = pd.DataFrame (tmp, … WebApr 12, 2024 · You can append dataframes in Pandas using for loops for both textual and numerical values. For textual values, create a list of strings and iterate through the list, appending the desired string to each element. netcool operations insight バージョン

Drop columns with NaN values in Pandas DataFrame

WebApr 11, 2024 · 1 Answer Sorted by: 1 There is probably more efficient method using slicing (assuming the filename have a fixed properties). But you can use os.path.basename. It will automatically retrieve the valid filename from the path. data ['filename_clean'] = data ['filename'].apply (os.path.basename) Share Improve this answer Follow answered 3 hours … WebWhen creating a blank dataframe in Pandas there appears to be at least 2 ways to set the index name. df = pd.DataFrame (columns= ['col1', 'col2']) df.index.name = 'index name' df = … WebOct 16, 2015 · You can set new indices by using set_index: df2.set_index (np.arange (len (df2.index))) Output: x y 0 0 0 1 0 1 2 0 2 3 1 0 4 1 1 5 1 2 6 2 0 7 2 1 8 2 2 Share Improve … netcool operations insight 料金