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Data Science code that appears all the time at workplace.

سرفصل های دوره

Learn exactly all the Programming (Python) skills that are needed all the time at workplace. Each video = 1 skill.


1 - Introduction
  • 1 - Overview
  • 2 - Full analysis
  • 2 - analysis.zip

  • 2 - Installing the necessary software
  • 3 - Install Python

  • 3 - Interacting with data in external sources
  • 4 - How to read an xlsx file
  • 4 - analysis.zip
  • 4 - files-read-xlsx-files.rar
  • 5 - How to skip reading some rows when reading a dataframe
  • 5 - analysis.zip
  • 5 - files-read-dataframe-skip-rows.rar
  • 6 - How to read a specific sheet from an excel file into a dataframe
  • 6 - analysis.zip
  • 6 - files-sheetname.rar
  • 7 - How to set the index of a dataframe upon reading it
  • 7 - files-set-index.rar
  • 8 - How to read specific columns from an excel file into a dataframe usecols
  • 8 - files-usecols.rar
  • 9 - How to read data from World Banks online database
  • 9 - world-bank.rar
  • 10 - How to send many dataframes into the same excel file xlsx in different sheets
  • 10 - files-send-dataframes-to-excel.rar
  • 11 - Sending a dataframe to a csv file
  • 12 - How to hide warnings that Python produces And how to trigger manually warnings
  • 13 - How to read only some rows from the topbottom of a dataframenrows skipfooter
  • 13 - files-nrows-skipfooter.rar
  • 14 - How to check if an Excel cell is empty
  • 14 - files-check-if-cell-empty.rar
  • 15 - How to see the version of the packages we have installed
  • 15 - files-version-package.rar

  • 4 - Index of a dataframe
  • 16 - Columns and index resetindex setindex dropT
  • 16 - files-reset-index-set-index-drop-T.rar
  • 17 - How to change the index name of a dataframe
  • 17 - files-change-index-name.rar
  • 18 - How to find the row index & column index of any element of a dataframe
  • 18 - analysis.zip
  • 19 - How to enumerate the rows enumerate and use it in for loops
  • 19 - enumerate.rar

  • 5 - Lists
  • 20 - How to sort the elements of a list
  • 21 - How to remove some elements from a list at once
  • 22 - How to create a list sublist that has some elements of another list
  • 23 - Defining a list with numbers 1239 using list comprehension
  • 24 - How to print the first 5 and the last 5 elements of a list
  • 25 - How to include the elements of another list into a list extend versus append
  • 26 - How to remove all occurrences of an element from a list
  • 27 - Difference between pop and remove

  • 6 - Dataframe HOWTOs
  • 28 - How to return elements from a dataframe
  • 28 - ds1.xlsx
  • 29 - How to delete rowscolumns from a dataframe using iloc drop
  • 29 - ds1.xlsx
  • 30 - How to read the row column index and values dfvalues
  • 31 - How to show the max number of rows and columns of a dataframe
  • 31 - sensitive-data.xlsx
  • 32 - How to create a copy of a dataframe
  • 32 - sensitive-data.xlsx
  • 33 - How to change specific values of a dataframe while leaving the rest unchanged
  • 33 - data-selection.xlsx
  • 34 - Create a new column and populate with elements of another column of a dataframe
  • 35 - How to change the order of the columns of a dataframe
  • 35 - showcase.xlsx
  • 36 - How to create a new row in a dataframe and fill it with values from other rows
  • 36 - showcase.xlsx
  • 37 - How to fill a new column with values 123 nparange
  • 37 - sensitive-data.xlsx
  • 38 - How to use Pivot tables on Python
  • 38 - initial-demand-set.xlsx
  • 39 - How to rename rows and columns of a dataframe
  • 40 - Going through every element with loc iloc and nested for loop
  • 41 - Copypaste a row of a dataframe nprepeat
  • 41 - initial-demand-set.xlsx
  • 42 - How to sort the columns of a dataframe
  • 43 - How to change the data type of a column of a dataframe
  • 43 - ds1.xlsx
  • 44 - How to prevent reading a row of a dataframe using iterrows continue and a list
  • 45 - How to select many rows loc arange
  • 46 - How to not allow duplicate values while inputting a new row in a dataframe
  • 47 - How to return the value under other columns in the same row of a dataframe
  • 48 - How to Iterate through the rows of a dataframe iteritems
  • 49 - How to delete many rows from a dataframe at once
  • 50 - How to correctly take a backup of a dataframe copy vs

  • 7 - multi level column dataframes
  • 51 - How to define a dataframe whose column index has many levels headers
  • 51 - generationData.xlsx
  • 52 - How to rename a column in a dataframe with many column index levels rename
  • 52 - generationData.xlsx
  • 53 - How to remove a level from a dataframe with many column levels
  • 54 - Compressing all levels into 1 excel cell or showing them as is mergecells
  • 54 - generationData.xlsx
  • 55 - How to print dataframe merged cells as unmerged in excel startrow
  • 56 - How to iterate through the rows of a multi level dataframe iteritems
  • 56 - gens.xlsx

  • 8 - Conditionals
  • 57 - Inline if statement

  • 9 - Logicals
  • 58 - How to correctly write AND OR TRUE FALSE
  • 59 - How to correctly write the NOT operator
  • 60 - The De Morgans Law Many and or not statements
  • 61 - Comparing objects of type int str float bool with each other
  • 62 - Clarify difference between is
  • 62 - Is-and.rar

  • 10 - Tuples
  • 63 - How to iterate through tuples Different types of forloops

  • 11 - NaN values
  • 64 - How to remove NaN values by deleting rows or columns
  • 65 - Find if a dataframe has at least 1 missing value And find their exact location
  • 66 - Using mincount to sum based when there are NaN values
  • 67 - Manually place NaN values to dataframes
  • 68 - How to sum rows of a dataframe by ignoring or considering NaN skipna replace

  • 12 - Python Implementation of Excel Functions
  • 69 - Model the Vlookup Excel function on Python map function
  • 70 - Model the SUMIFS function on Python
  • 71 - Model the AVERAGEIFS function on Python

  • 13 - Strings
  • 72 - How to evaluate string expressions using eval
  • 73 - Removing trailing characters rstrip
  • 74 - How to break a long sequence of characters in sets of 4 characters wrap
  • 75 - How to select part of a string eg all string except last 3 characters
  • 76 - Remove white space blanks from a string replace
  • 77 - How to search for a subtext across a list of strings
  • 78 - Selecting specific characters from a column using str
  • 79 - How to replace characters or words from inside a string

  • 14 - Datatypes
  • 80 - Use name to find the datatype of an object
  • 81 - Type conversions Int Float Str Bool
  • 82 - Combining NOT with empty lists and strings
  • 83 - How to check if the datatype of a variable is int float str NaN Nonetype
  • 84 - Datatype of every element of a dataframe for loop dtypes astype
  • 85 - what it means for x to be none empty list empty string

  • 15 - Creating variables
  • 86 - How to define variables using globals

  • 16 - Sets
  • 87 - Comparing the index of two dataframes using sets

  • 17 - Dictionaries
  • 88 - How to find the number of elements in a dictionary len
  • 89 - How to convert a dictionary into a listset of keysvalues
  • 90 - How to convert a dataframe to a dictionary todict and how to use it
  • 91 - How to print the first 6 elements of a dictionary
  • 92 - What it means to check if x is in dictionary
  • 93 - Default dictionary part 1
  • 94 - Default dictionary and lambdas
  • 95 - How to convert a single value into a dictionary all keys are this value
  • 96 - How to avoid errors when a key is not found in a dictionary command get
  • 97 - How to have the same value while the keys differ
  • 98 - How to unite two dictionaries double asterisk
  • 99 - How to create a dataframe using a dictionary

  • 18 - Numpy Arrays
  • 100 - How to concatenate arrays

  • 19 - Series
  • 101 - How to define a series object that has a constant value

  • 20 - Dates
  • 102 - How to update a value in a DateTime index in a dataframe
  • 102 - showcase.xlsx
  • 103 - Using the Workalendar package for countryspecific Dates
  • 104 - Use timedelta for time conversaions

  • 21 - Functions
  • 105 - Count how many times a function is called
  • 106 - Another way Number of times a function is called through lists

  • 22 - Bonus
  • 107 - Discount-Coupons-october-2022.pdf
  • 107 - Extras.html
  • 107 - my personal website with great offers for you.zip
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    تاریخ انتشار: 28 دی 1401
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