SQL functions for dummy coding categorical variables. More...
Functions | |
void | create_indicator_variables (text source_table, text out_table, text categorical_cols, boolean keep_null, text distributed_by) |
Create new table containing dummy coded variables for categorical variables. More... | |
void | create_indicator_variables (text source_table, text out_table, text categorical_cols, boolean keep_null) |
Create new table containing dummy coded variables for categorical variables. More... | |
void | create_indicator_variables (text source_table, text out_table, text categorical_cols) |
varchar | create_indicator_variables (varchar message) |
varchar | create_indicator_variables () |
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void create_indicator_variables | ( | text | source_table, |
text | out_table, | ||
text | categorical_cols, | ||
boolean | keep_null, | ||
text | distributed_by | ||
) |
source_table | Name of table containing categorical variable |
out_table | Name of table to output dummy variables |
categorical_cols | Comma-separated list of column names to dummy code |
keep_null | Boolean to determine the behavior for rows with NULL value |
distributed_by | Comma-separated list of column names to use for distribution of output |
void create_indicator_variables | ( | text | source_table, |
text | out_table, | ||
text | categorical_cols, | ||
boolean | keep_null | ||
) |
source_table | Name of table containing categorical variable |
out_table | Name of table to output dummy variables |
categorical_cols | Comma-separated list of column names to dummy code |
keep_null | Boolean to determine the behavior for rows with NULL value |
void create_indicator_variables | ( | text | source_table, |
text | out_table, | ||
text | categorical_cols | ||
) |
varchar create_indicator_variables | ( | varchar | message | ) |
varchar create_indicator_variables | ( | ) |