Finished a data science course on coursera. what should i do to improve my skills for getting a job in this field?

So I finished a coursera course for Data Science and have the certificate. From what I noticed I will need more training/skill building correct to be eligible for getting a job in this field? I have a grad degree in computer science but my coding skills in this field need honing still. I didn't come from a computer science field in in undergrad where I was a bio major and thought I was going into the health fields but changed …

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