WebFor a DataFrame with a sorted DatetimeIndex, this function selects the last few rows based on a date offset. Parameters offsetstr, DateOffset, dateutil.relativedelta The offset length of the data that will be selected. For instance, ‘3D’ will display all the rows having their index within the last 3 days. Returns Series or DataFrame WebOct 24, 2016 · This is applicable for any number of rows you want to extract and not just the last row. For example, if you want last n number of rows of a dataframe, where n is any integer less than or equal to the number of columns present in the dataframe, then you can easily do the following: y = df.iloc [:,n:] Replace n by the number of columns you want.
Access Index of Last Element in pandas DataFrame in …
Web1 day ago · The index specifies the row index of the data frame. By default the index of the dataframe row starts from 0. To access the last row index we can start with -1. Syntax df.index[row_index] The index attribute is used to access the index of the row in the data frame. To access the index of the last row we can start from negative values i.e -1. WebApr 11, 2024 · You can first rank and then use pd.Series.last_valid_index to get the last valid values. df.rank(pct=True).mul(100).apply(lambda x: x[x.last_valid_index()], axis=1) ... Deleting DataFrame row in Pandas based on column value. 1321. Get a list from Pandas DataFrame column headers. 506. Python Pandas: Get index of rows where column … greater wax moth hearing range
Pandas Get Last Row from DataFrame? - Spark By {Examples}
WebFeb 25, 2024 · Pandas Get Last Row/Index. Feb 25, 2024. pandas; Last Index. df.index[-1] Last Row. df.iloc[[-1]] or. df.tail(1) Get column value in last row. ... Pandas Load … WebSep 13, 2024 · 4 Answers Sorted by: 15 Use last_valid_index: s = pd.Series ( [False, False, True, True, False, False]) s.where (s).last_valid_index () Output: 3 Using @user3483203 example s = pd.Series ( ['dog', 'cat', 'fish', 'cat', 'dog', 'horse'], index= [*'abcdef']) s.where (s=='cat').last_valid_index () Output 'd' Share Follow edited Feb 12, 2024 at 18:51 WebFeb 5, 2024 · df ['Salary'].iloc [-1] df.Salary.iloc [-1] are synonymous. Iloc is the way to retrieve items in a pandas df by their index. df ['Salary'].values [-1] creates a list of the Salary column and returns the last items df ['Salary'].tail (1) df.Salary.tail (1) returns the last row of the salary column. flipchart and easel