Moving Windows
Method | Definition |
---|---|
vDataFrame.cummax | Adds a new vcolumn to the vDataFrame by computing the cumulative maximum of the input vcolumn. |
vDataFrame.cummin | Adds a new vcolumn to the vDataFrame by computing the cumulative minimum of the input vcolumn. |
vDataFrame.cumprod | Adds a new vcolumn to the vDataFrame by computing the cumulative product of the input vcolumn. |
vDataFrame.cumsum | Adds a new vcolumn to the vDataFrame by computing the cumulative sum of the input vcolumn. |
vDataFrame.rolling | Adds a new vcolumn to the vDataFrame by using an advanced analytical window function on one or two specific vcolumns. |
Analytic Functions
Method | Definition |
---|---|
vDataFrame.analytic | Adds a new vcolumn to the vDataFrame by using an advanced analytical function on one or two specific vcolumns. |
vDataFrame.interpolate | Computes a regular time interval vDataFrame by interpolating the missing values using different techniques. |
vDataFrame.sessionize | Adds a new vcolumn to the vDataFrame which will correspond to sessions. |
Customized Features Creation
Method | Definition |
---|---|
vDataFrame.case_when | Creates a new feature by evaluating the specified conditions. |
vDataFrame.eval | Evaluates a customized expression. |
Features Transformations
Method | Definition |
---|---|
vDataFrame.abs | Applies the absolute value function to the input vcolumns. |
vDataFrame[].abs | Applies the absolute value function to the input vcolumn. |
vDataFrame.apply | Applies each function of the dictionary to the input vcolumns. |
vDataFrame[].apply | Applies a function to the vcolumn. |
vDataFrame[].apply_fun | Applies a default function to the vcolumn. |
vDataFrame.applymap | Applies a function to all the vcolumns. |
vDataFrame[].date_part | Extracts a specific TS field from the vcolumn. |
vDataFrame[].round | Rounds the vcolumn by keeping only the input number of digits after comma. |
vDataFrame[].slice | Slices the vcolumn using a TS rule. The vcolumn will be transformed. |
Working with Text
Method | Definition |
---|---|
vDataFrame.regexp | Computes a new vcolumn based on regular expressions. |
vDataFrame[].str_contains | Verifies if the regular expression is in each of the vcolumn records. The vcolumn will be transformed. |
vDataFrame[].str_count | Computes the regular expression count match in each record of the vcolumn. The vcolumn will be transformed. |
vDataFrame[].str_extract | Extracts the regular expression in each record of the vcolumn. The vcolumn will be transformed. |
vDataFrame[].str_replace | Replaces the regular expression matches in each of the vcolumn record by an input value. The vcolumn will be transformed. |
vDataFrame[].str_slice | Slices the vcolumn. The vcolumn will be transformed. |
Binary Operator Functions
Method | Definition |
---|---|
vDataFrame[].add | Adds the input element to the vcolumn. |
vDataFrame[].div | Divides the vcolumn by the input element. |
vDataFrame[].mul | Multiplies the vcolumn by the input element. |
vDataFrame[].sub | Substracts the input element to the vcolumn. |
Copy
Method | Definition |
---|---|
vDataFrame[].add_copy | Adds a copy vcolumn to the parent vDataFrame. |
vDataFrame.copy | Returns a copy of the vDataFrame. |