Tag: data
فرمت اعداد در پانداس
برای فرمت سه رقم سه رقم جدا شده و نمایش تا دو رقم اعشار در پایتون پانداس از این کد استفاده ببرید. یا این کد برای هر ستون
pandas create new column based on values from other columns
Selecting Subsets of Data in Pandas
from What Code single column df[‘food’] multiple columns df[[‘color’, ‘food’, ‘score’]] single row df.loc[‘Niko’] multiple rows df.loc[[‘Niko’, ‘Penelope’]] slice notation to select a range of rows df.loc[‘Niko’:’Dean’] df.loc[:’Aaron’] stepping by 2 df.loc[‘Niko’:’Christina’:2] rows and columns df.loc[row_selection, column_selection] df.loc[‘Jane’:’Penelope’, [‘state’, ‘color’]] single row df.iloc[3] multiple rows df.iloc[[5, 2, 4]] df.iloc[3:5] df.iloc[[2,3], [0,… Continue reading Selecting Subsets of Data in Pandas
Pandas V.S SQL
If you knew SQL before and want to migrate to Python, you can use this article. TiTle SQL Pandas Desc Simple SELECT total_bill, tip, smoker, time FROM tips LIMIT ۵; tips[[‘total_bill’, ‘tip’, ‘smoker’, ‘time’]].head(۵) Where SELECT * FROM tips WHERE time = ‘Dinner’ LIMIT ۵; tips[tips[‘time’] == ‘Dinner’].head(۵) Multiple conditions SELECT * FROM tips WHERE… Continue reading Pandas V.S SQL