A residual plot is a graph that shows the residuals on the vertical axis and the independent variable on the horizontal axis. … The first plot shows a random pattern, indicating a good fit for a linear model. Any effects from being a woman, a person of color, or a 17-year-old will not change over time. The run order residual plot is a special type of scatter plot in which each residual is plotted versus an index that indicates the order (in time) in which the data were collected. …


A hand digit recognition system is the process of a computer to train or identify digits from various sources, such as emails, bank checks, documents, photos, etc.

Recognizing handwritten text is a problem that can be traced back to the first automatic machines that needed to recognize individual characters in handwritten documents. Think about, for example, the ZIP codes on letters at the post office and the automation needed to recognize these five digits. Perfect recognition of these codes is necessary in order to sort mail automatically and efficiently.

But the problem of handwriting recognition goes farther back in time…


Data Mining is a technique to gain insight from raw data and convert it into useful information so that it boosts our decision making power. There are many different sources from where we can extract the data for e.g Relational database, NoSQL database, etc. After extracting the data from various sources, it can be cleaned, diversified and so that we can find the underlying trend from it. There are different tools for data analysis such as R programming, Tableau, Rapid Miner, Python, etc.

But we will use Python language for analysis as it provides various analytics libraries for e.g. …

Krishna Narwade

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