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I have a table with 3 columns X, Y and Z with n rows.

The range of the data is 0-255. But I wished to scale the values such that the range becomes from -p to +q (where I decide p and q). I randomly came upon a conversion like this one:

enter image description here

on this site. I don't remember which matrix exactly did I use.

Now this is how it changed the range (Blue: Initial range, Orange: New Range, Ignore the Grey one)

Blue: Initial range, Orange: New Range, Ignore the Grey one

How can I control this process of changing the range?

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Pe Dro
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  • [This answer](https://stats.stackexchange.com/a/70808/20221) to another question might address your issue. – deemel Jan 21 '20 at 16:14
  • @deemel Neither Normalization nor Standardization can scale the entire range into a custom range. Thanks btw – Pe Dro Jan 21 '20 at 16:41
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    On the contrary, both can do it. The duplicate explicitly answers the question (see https://stats.stackexchange.com/a/70808/919)--but you can find a large number of other (equivalent) answers here, too. – whuber Jan 21 '20 at 16:56

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