pandas.DataFrame() |
Creates a new DataFrame, a two-dimensional labeled data structure with columns of potentially different types. |
pandas.Series() |
Creates a new Series, a one-dimensional labeled array capable of holding any data type. |
DataFrame.head() |
Returns the first n rows of a DataFrame. Default value of n is 5. |
DataFrame.tail() |
Returns the last n rows of a DataFrame. Default value of n is 5. |
DataFrame.shape |
Returns a tuple representing the dimensions of the DataFrame (rows, columns). |
DataFrame.info() |
Prints a concise summary of a DataFrame, including the data types and memory usage. |
DataFrame.describe() |
Show descriptive statistics of the DataFrame, such as count, mean, min, max, etc. |
DataFrame.columns |
Returns the column labels of the DataFrame. |
DataFrame.index |
Returns the index (row labels) of the DataFrame. |
DataFrame.loc[] |
Accesses a group of rows and columns by label(s) or a boolean array. |
DataFrame.iloc[] |
Accesses a group of rows and columns by integer-based position(s). |
DataFrame.drop() |
Removes specified rows or columns from a DataFrame. |
DataFrame.isnull() |
Checks for missing values in the DataFrame and returns a boolean mask. |
DataFrame.fillna() |
Fills missing values in the DataFrame with a specified value or method. |
DataFrame.idxmax() |
Returns the index of the row with the highest value in the specified column. |
DataFrame.idxmin() |
Returns the index of the row with the lowest value in the specified column. |
DataFrame.sort_values() |
Sorts the DataFrame by the values in a specified column. |
DataFrame.rename() |
Renames the index labels or column names of a DataFrame. |
DataFrame.drop_duplicates() |
Removes duplicate rows from a DataFrame. |
DataFrame.concat() |
Concatenates two or more DataFrames into a single DataFrame. |
DataFrame.merge() |
Merges two DataFrames on a specified column. |
DataFrame.plot() |
Creates a plot of the specified column(s) of a DataFrame. |
DataFrame.groupby() |
Creates a group that can be used to group a DataFrame by a specified column. |
DataFrame.agg() |
Aggregates data from a DataFrame. |
DataFrame.pivot_table() |
Creates a pivot table that groups and aggregates data from a DataFrame. |
DataFrame.melt() |
Converts a DataFrame from wide to long format. |
DataFrame.stack() |
Converts a DataFrame from wide to long format, stacking all columns into a single column. |
DataFrame.unstack() |
Converts a DataFrame from long to wide format, unstacking a single column into multiple columns. |
pandas.crosstab() |
Creates a two-way table that can show the frequency counts of multiple columns. |