Is a data frame an array?

Is a data frame an array? DataFrame as a generalized NumPy array Just as you might think of a two-dimensional array as an ordered sequence of aligned one-dimensional columns, you can think of a DataFrame as a sequence of aligned Series objects. What is the difference between a data frame and a list in R? […]

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How problem solving method is best for teaching mathematics?

How problem solving method is best for teaching mathematics? What is Teaching Through Problem-Solving? In Teaching Through Problem-solving (TTP), students learn new mathematics by solving problems. Students grapple with a novel problem, present and discuss solution strategies, and together build the next concept or procedure in the mathematics curriculum. Why is problem solving considered the […]

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Is it better to start at chess?

Is it better to start at chess? In chess, there is a general consensus among players and theorists that the player who makes the first move (White) has an inherent advantage. Since 1851, compiled statistics support this view; White consistently wins slightly more often than Black, usually scoring between 52 and 56 percent. What is […]

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What hurts the most paintball or airsoft?

What hurts the most paintball or airsoft? Which hurts more? As there is a considerable difference in the sizes of ammunition Airsoft strikes hurt less than Paintball hits. Due to the higher impact rate of paintballs, you will often see professional paintballer wear lightweight armour similar to motorcross armour and always sporting full-face protection. Which […]

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