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  1. Problems
  2. /Python for Science and Maths
  3. /Data Analysis with pandas

Data Analysis with pandas

Python Programming
+ Upload a Problem
More in Python for Science and MathsNumPy ArraysGraphs with matplotlibSolving EquationsCalculus by ComputerSimulation and RandomnessData Analysis with pandasChemistry by Computer
20 problems
Type:
1.
From gallium to krypton the first ionisation enthalpies are 579, 762, 947, 941, 1140 and 1351… New
High School (11–12), High School (9–10), Undergraduate, General · Chemistry by Computer, Data Analysis with pandasStemPy LabStemPy Lab
Hard
2.
For lithium to fluorine, the radii are 152, 111, 88, 77, 74, 66 and 64 pm, and the first ionisation… New
High School (11–12), High School (9–10), Undergraduate, General · Chemistry by Computer, Data Analysis with pandasStemPy LabStemPy Lab
Medium
3.
Period 2 has two s-block elements, lithium (520) and beryllium (899), and six p-block elements… New
High School (11–12), High School (9–10), Undergraduate, General · Chemistry by Computer, Data Analysis with pandasStemPy LabStemPy Lab
Medium
4.
A scatter plot of the first 36 elements colours each point by block with df["block"].map(colours). New
High School (11–12), High School (9–10), Undergraduate, General · Chemistry by Computer, Data Analysis with pandasStemPy LabStemPy Lab
Easy
5.
Across period 3, the atomic radii from sodium to chlorine are 186, 160, 143, 117, 110, 104 and 99… New
High School (11–12), High School (9–10), Undergraduate, General · Chemistry by Computer, Data Analysis with pandasStemPy LabStemPy Lab
Medium
6.
Rina plots the first ionisation enthalpy against Z for the first 20 elements. New
High School (11–12), High School (9–10), Undergraduate, General · Chemistry by Computer, Data Analysis with pandasStemPy LabStemPy Lab
Easy
7.
Ravi's program builds the table with the column names symbol, z, group, period, block, radius, ie… New
High School (11–12), High School (9–10), Undergraduate, General · Chemistry by Computer, Data Analysis with pandasStemPy LabStemPy Lab
Medium
8.
A table indexed by symbol is t = df.set_index("symbol"). New
High School (11–12), High School (9–10), Undergraduate, General · Chemistry by Computer, Data Analysis with pandasStemPy LabStemPy Lab
Easy
9.
The first ionisation enthalpies of lithium, sodium and potassium are 520, 496 and 419 kJ/mol. New
High School (11–12), High School (9–10), Undergraduate, General · Chemistry by Computer, Data Analysis with pandasStemPy LabStemPy Lab
Medium
10.
Of the first 36 elements, the halogens are fluorine (64 pm), chlorine (99 pm) and bromine (114 pm). New
High School (11–12), High School (9–10), Undergraduate, General · Chemistry by Computer, Data Analysis with pandasStemPy LabStemPy Lab
Easy
11.
Boyle's law says that for a gas at a fixed temperature, the pressure is inversely proportional to…
High School (11–12), High School (9–10), Undergraduate, General · Data Analysis with pandasStemPy LabStemPy Lab
Hard
12.
Kepler's third law holds for the moons of a planet too, with another constant.
High School (11–12), High School (9–10), Undergraduate, General · Data Analysis with pandasStemPy LabStemPy Lab
Hard
13.
A lamp is measured at the distances 0.5, 1, 1.5, 2 and 3 m, and the light that arrives is 400, 100…
High School (11–12), High School (9–10), Undergraduate, General · Data Analysis with pandasStemPy LabStemPy Lab
Medium
14.
The length of six leaves in cm is 2, 4, 6, 8, 10 and 12, and their areas in square cm are 2.1, 8.5…
High School (11–12), High School (9–10), Undergraduate, General · Data Analysis with pandasStemPy LabStemPy Lab
Medium
15.
Table A has the keys a, b, c and d with the values u = 1, 2, 3, 4.
High School (11–12), High School (9–10), Undergraduate, General · Data Analysis with pandasStemPy LabStemPy Lab
Hard
16.
In units of the Earth, the density of a planet is its mass divided by the cube of its radius.
High School (11–12), High School (9–10), Undergraduate, General · Data Analysis with pandasStemPy LabStemPy Lab
Medium
17.
Make a table of the eight planets with the columns name, kind (the first four are rocky, the last…
High School (11–12), High School (9–10), Undergraduate, General · Data Analysis with pandasStemPy LabStemPy Lab
Medium
18.
Read this CSV text with pd.read_csv: x,y,z then the rows 1,2.0,a and 2,,b and,3.0, and 4,5.0,d.
High School (11–12), High School (9–10), Undergraduate, General · Data Analysis with pandasStemPy LabStemPy Lab
Medium
19.
A sensor wrote the readings 9.8, 9.7, -999 and 9.9.
High School (11–12), High School (9–10), Undergraduate, General · Data Analysis with pandasStemPy LabStemPy Lab
Medium
20.
Make a table of the four rocky planets with the columns name, distance_au (0.39, 0.72, 1.00, 1.52)…
High School (11–12), High School (9–10), Undergraduate, General · Data Analysis with pandasStemPy LabStemPy Lab
Easy