CH 3 · DATAFRAME BASICS
The DataFrame
A DataFrame is a rectangular table of data — both rows and columns are addressable by name, not just position.
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Six quick questions. SkillCompass reads your education, target role, timeline, and weekly hours — then generates a 3–7 course roadmap with foundations, capstone, and JobNexus placement built in.
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Python Fluency
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Data Science Foundations
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Applied AI Engineer
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Capstone · 4 wks
6
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Index Alignment
pandas operations align on labels automatically. The result's index becomes the union of the indexes. method chaining patterns is a foundational pattern in pandas.
43
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main · skillnexus-week-7-assignment
● live$ skillnexus grade --repo ./assignment-7
→ Connecting to GitHub API…
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92
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Security
95
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81
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Pick your program
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Learn & earn SNXP
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SkillNexus and InternNexus talk to each other. Finish a batch, and our AI engine unlocks matching internship openings on InternNexus — pre-ranked by your verified skill profile.
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Profile Strength
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Profile Strength
64% · Job-ready
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AIC Bihar Vidyapeeth
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Tech Parivartan Bihar — Flagship Initiative
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Nipun Rajpal
HCL Technologies
Batch 2023 · ITA L3 Program · 1 year ago
◉ LinkedIn Review
“I engaged in a MERN Stack program under the guidance of Mr. Piyush Pandey as my mentor. The InternNexus team played a crucial role in assisting me to acquire valuable skills essential for this domain.”
Jaskaran Singh
Infosys
Batch 2024 · ITA L2 Program · 8 months ago
G Google Review
“Thoroughly enjoyed the course with Piyush Sir! His expertise and clear knowledge on the subjects made a significant impact. Despite usually struggling to maintain focus in lengthy lectures, I was pleasantly surprised at how engaged I remained throughout the course under his guidance. The incorporation of real-world examples was a definite plus.”
Lucky Singh
Reservation Data Maintenance
Batch 2023 · ITA L3 Program · 3 weeks ago
4.8/5 avg rating · 200+ reviewsVerified by LinkedIn & Google12,400+ alumni at HCL, Infosys, Razorpay, Swiggy & more
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