Abstract
While we glance in the past twenty years, it can be evidently noticed that biological sciences have brought about an active analytical research in high-dimensional data. Recently, many new approaches in Data Science and Machine Learning fields have emerged to handle the ultrahigh-dimensional genome data. Several cancer data types together with the availability of pertinent studies going on similar types of cancers adds to the complexity of the data. It is of commentative biological and clinical interest to understand what subtypes a cancer has, how a patient’s genomic profiles and survival rates vary among subtypes, whether a survival of a patient can be predicted from his or her genomic profile, and the correlation between different genomic profiles. It is of utmost importance to identify types of cancer mutations as they play a very significant role in divulging useful observations into disease pathogenesis and advancing therapy varying from person to person. In this paper we focus on finding the cancer-causing genes and their specific mutations and classifying the genes on the 9 classes of cancer. This will help in predicting which genetic mutation causes which type of cancer. We have used Sci-kit Learn and NLTK for this project to analyze what each class means by classifying all genetic mutations into 17 major mutation types (according to dataset). Dataset is in two formats: CSV and Text, where csv containing the genes and their mutations and text file containing the description of these mutations. Our approach merged the two datasets and used Random Forest, with GridSearchCv and ten-fold Cross-Validation, to perform a supervised classification analysis and has provided with an accuracy score of 68.36%. This is not much accurate as the genes & their variations don’t follow the HGVS Nomenclature of genes because of which conversion of text to numerical format resulted in loss of some important features. Our findings suggest that classes 1, 4 and 7 contribute the most for causing cancer.
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Acknowledgements
Varun Goel is the corresponding author. It is our privilege to express our sincere thanks to Prof. Venkatesh Gauri Shankar (Assistant Professor) from Manipal University Jaipur for his helpful guidance and discussions on our data analysis methods. He provided with various resources to support us during the implementation of this work.
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Goel, V., Jangir, V., Shankar, V.G. (2020). DataCan: Robust Approach for Genome Cancer Data Analysis. In: Sharma, N., Chakrabarti, A., Balas, V. (eds) Data Management, Analytics and Innovation. Advances in Intelligent Systems and Computing, vol 1016. Springer, Singapore. https://doi.org/10.1007/978-981-13-9364-8_12
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