A computer-implemented data analysis method including the steps of: providing a block for each group, in which the blocks are mapped to have different shapes from each other, and the groups are classified based on an attribute of a programming language-based function and instruction; providing a user interface for receiving the block selected by a user; generating a data analysis flow based on a user creation block that is generated when the selected blocks are combined in the user interface; transforming the data analysis flow to a programming language-based data analysis code through a language transform engine; and performing a data analysis based on the transformed data analysis code.